Home / 8,434.29-11,639.31-4,708.29

Finding the Fourth Proportional to 8,434.29, 11,639.31 and 4,708.29

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Solution

The fourth proportional to 8,434.29, 11,639.31 and 4,708.29 is: 6,497.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.29 : 11,639.31 = 4,708.29 : x
  2. Step 2: Convert to fraction form
    8,434.29/11,639.31 = 4,708.29/x
  3. Step 3: Cross multiply
    8,434.29x = 11,639.31 × 4,708.29
  4. Step 4: Simplify right side
    8,434.29x = 54,801,246.88
  5. Step 5: Solve for x
    x = 54,801,246.88/8,434.29
  6. Step 6: Final answer
    x = 6,497.43

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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.