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Finding the Fourth Proportional to 7,303.16, 10,071.74 and 6,244.90

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Solution

The fourth proportional to 7,303.16, 10,071.74 and 6,244.90 is: 8,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,303.16 : 10,071.74 = 6,244.90 : x
  2. Step 2: Convert to fraction form
    7,303.16/10,071.74 = 6,244.90/x
  3. Step 3: Cross multiply
    7,303.16x = 10,071.74 × 6,244.90
  4. Step 4: Simplify right side
    7,303.16x = 62,896,999.56
  5. Step 5: Solve for x
    x = 62,896,999.56/7,303.16
  6. Step 6: Final answer
    x = 8,612.30

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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.