Home / 9,639.15-14,465.45-3,721.71

Finding the Fourth Proportional to 9,639.15, 14,465.45 and 3,721.71

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Solution

The fourth proportional to 9,639.15, 14,465.45 and 3,721.71 is: 5,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.15 : 14,465.45 = 3,721.71 : x
  2. Step 2: Convert to fraction form
    9,639.15/14,465.45 = 3,721.71/x
  3. Step 3: Cross multiply
    9,639.15x = 14,465.45 × 3,721.71
  4. Step 4: Simplify right side
    9,639.15x = 53,836,191.31
  5. Step 5: Solve for x
    x = 53,836,191.31/9,639.15
  6. Step 6: Final answer
    x = 5,585.16

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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.