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Finding the Fourth Proportional to 9,236.76, 12,751.08 and 5,702.04

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Solution

The fourth proportional to 9,236.76, 12,751.08 and 5,702.04 is: 7,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,236.76 : 12,751.08 = 5,702.04 : x
  2. Step 2: Convert to fraction form
    9,236.76/12,751.08 = 5,702.04/x
  3. Step 3: Cross multiply
    9,236.76x = 12,751.08 × 5,702.04
  4. Step 4: Simplify right side
    9,236.76x = 72,707,168.20
  5. Step 5: Solve for x
    x = 72,707,168.20/9,236.76
  6. Step 6: Final answer
    x = 7,871.50

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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.