Home / 9,385.39-14,078.19-2,459.89

Finding the Fourth Proportional to 9,385.39, 14,078.19 and 2,459.89

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Solution

The fourth proportional to 9,385.39, 14,078.19 and 2,459.89 is: 3,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.39 : 14,078.19 = 2,459.89 : x
  2. Step 2: Convert to fraction form
    9,385.39/14,078.19 = 2,459.89/x
  3. Step 3: Cross multiply
    9,385.39x = 14,078.19 × 2,459.89
  4. Step 4: Simplify right side
    9,385.39x = 34,630,798.80
  5. Step 5: Solve for x
    x = 34,630,798.80/9,385.39
  6. Step 6: Final answer
    x = 3,689.86

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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.