Home / 8,460.29-12,688.38-3,529.97

Finding the Fourth Proportional to 8,460.29, 12,688.38 and 3,529.97

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Solution

The fourth proportional to 8,460.29, 12,688.38 and 3,529.97 is: 5,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.29 : 12,688.38 = 3,529.97 : x
  2. Step 2: Convert to fraction form
    8,460.29/12,688.38 = 3,529.97/x
  3. Step 3: Cross multiply
    8,460.29x = 12,688.38 × 3,529.97
  4. Step 4: Simplify right side
    8,460.29x = 44,789,600.75
  5. Step 5: Solve for x
    x = 44,789,600.75/8,460.29
  6. Step 6: Final answer
    x = 5,294.10

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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.