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Finding the Fourth Proportional to 9,203.94, 12,702.78 and 5,224.23

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Solution

The fourth proportional to 9,203.94, 12,702.78 and 5,224.23 is: 7,210.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203.94 : 12,702.78 = 5,224.23 : x
  2. Step 2: Convert to fraction form
    9,203.94/12,702.78 = 5,224.23/x
  3. Step 3: Cross multiply
    9,203.94x = 12,702.78 × 5,224.23
  4. Step 4: Simplify right side
    9,203.94x = 66,362,244.36
  5. Step 5: Solve for x
    x = 66,362,244.36/9,203.94
  6. Step 6: Final answer
    x = 7,210.20

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Half scale
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Double scale
Find fourth proportional to 9,204.94, 12,704.16 and 5,225.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.