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Finding the Fourth Proportional to 6,269.40, 9,331.20 and 6,269.40

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Solution

The fourth proportional to 6,269.40, 9,331.20 and 6,269.40 is: 9,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.40 : 9,331.20 = 6,269.40 : x
  2. Step 2: Convert to fraction form
    6,269.40/9,331.20 = 6,269.40/x
  3. Step 3: Cross multiply
    6,269.40x = 9,331.20 × 6,269.40
  4. Step 4: Simplify right side
    6,269.40x = 58,501,025.28
  5. Step 5: Solve for x
    x = 58,501,025.28/6,269.40
  6. Step 6: Final answer
    x = 9,331.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.