Home / 9,078.52-13,613.88-4,151.28

Finding the Fourth Proportional to 9,078.52, 13,613.88 and 4,151.28

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Solution

The fourth proportional to 9,078.52, 13,613.88 and 4,151.28 is: 6,225.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.52 : 13,613.88 = 4,151.28 : x
  2. Step 2: Convert to fraction form
    9,078.52/13,613.88 = 4,151.28/x
  3. Step 3: Cross multiply
    9,078.52x = 13,613.88 × 4,151.28
  4. Step 4: Simplify right side
    9,078.52x = 56,515,027.77
  5. Step 5: Solve for x
    x = 56,515,027.77/9,078.52
  6. Step 6: Final answer
    x = 6,225.14

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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.