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Finding the Fourth Proportional to 6,762.70, 9,335.12 and 6,053.29

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Solution

The fourth proportional to 6,762.70, 9,335.12 and 6,053.29 is: 8,355.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,762.70 : 9,335.12 = 6,053.29 : x
  2. Step 2: Convert to fraction form
    6,762.70/9,335.12 = 6,053.29/x
  3. Step 3: Cross multiply
    6,762.70x = 9,335.12 × 6,053.29
  4. Step 4: Simplify right side
    6,762.70x = 56,508,141.87
  5. Step 5: Solve for x
    x = 56,508,141.87/6,762.70
  6. Step 6: Final answer
    x = 8,355.86

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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.