Home / 8,251.29-11,386.64-4,666.20

Finding the Fourth Proportional to 8,251.29, 11,386.64 and 4,666.20

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Solution

The fourth proportional to 8,251.29, 11,386.64 and 4,666.20 is: 6,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.29 : 11,386.64 = 4,666.20 : x
  2. Step 2: Convert to fraction form
    8,251.29/11,386.64 = 4,666.20/x
  3. Step 3: Cross multiply
    8,251.29x = 11,386.64 × 4,666.20
  4. Step 4: Simplify right side
    8,251.29x = 53,132,339.57
  5. Step 5: Solve for x
    x = 53,132,339.57/8,251.29
  6. Step 6: Final answer
    x = 6,439.28

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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.