Home / 10,407.29-15,606.81-4,484.61

Finding the Fourth Proportional to 10,407.29, 15,606.81 and 4,484.61

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Solution

The fourth proportional to 10,407.29, 15,606.81 and 4,484.61 is: 6,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.29 : 15,606.81 = 4,484.61 : x
  2. Step 2: Convert to fraction form
    10,407.29/15,606.81 = 4,484.61/x
  3. Step 3: Cross multiply
    10,407.29x = 15,606.81 × 4,484.61
  4. Step 4: Simplify right side
    10,407.29x = 69,990,456.19
  5. Step 5: Solve for x
    x = 69,990,456.19/10,407.29
  6. Step 6: Final answer
    x = 6,725.14

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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.