Home / 8,417.27-11,615.91-4,640.57

Finding the Fourth Proportional to 8,417.27, 11,615.91 and 4,640.57

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Solution

The fourth proportional to 8,417.27, 11,615.91 and 4,640.57 is: 6,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.27 : 11,615.91 = 4,640.57 : x
  2. Step 2: Convert to fraction form
    8,417.27/11,615.91 = 4,640.57/x
  3. Step 3: Cross multiply
    8,417.27x = 11,615.91 × 4,640.57
  4. Step 4: Simplify right side
    8,417.27x = 53,904,367.99
  5. Step 5: Solve for x
    x = 53,904,367.99/8,417.27
  6. Step 6: Final answer
    x = 6,404.02

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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.