Home / 10,652.81-15,979.29-3,257.40

Finding the Fourth Proportional to 10,652.81, 15,979.29 and 3,257.40

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Solution

The fourth proportional to 10,652.81, 15,979.29 and 3,257.40 is: 4,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,652.81 : 15,979.29 = 3,257.40 : x
  2. Step 2: Convert to fraction form
    10,652.81/15,979.29 = 3,257.40/x
  3. Step 3: Cross multiply
    10,652.81x = 15,979.29 × 3,257.40
  4. Step 4: Simplify right side
    10,652.81x = 52,050,939.25
  5. Step 5: Solve for x
    x = 52,050,939.25/10,652.81
  6. Step 6: Final answer
    x = 4,886.13

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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.