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Finding the Fourth Proportional to 6,892.71, 10,335.15 and 4,704.09

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Solution

The fourth proportional to 6,892.71, 10,335.15 and 4,704.09 is: 7,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.71 : 10,335.15 = 4,704.09 : x
  2. Step 2: Convert to fraction form
    6,892.71/10,335.15 = 4,704.09/x
  3. Step 3: Cross multiply
    6,892.71x = 10,335.15 × 4,704.09
  4. Step 4: Simplify right side
    6,892.71x = 48,617,475.76
  5. Step 5: Solve for x
    x = 48,617,475.76/6,892.71
  6. Step 6: Final answer
    x = 7,053.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.