Home / 4,385.61-6,578.48-1,265.90

Finding the Fourth Proportional to 4,385.61, 6,578.48 and 1,265.90

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Solution

The fourth proportional to 4,385.61, 6,578.48 and 1,265.90 is: 1,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.61 : 6,578.48 = 1,265.90 : x
  2. Step 2: Convert to fraction form
    4,385.61/6,578.48 = 1,265.90/x
  3. Step 3: Cross multiply
    4,385.61x = 6,578.48 × 1,265.90
  4. Step 4: Simplify right side
    4,385.61x = 8,327,668.10
  5. Step 5: Solve for x
    x = 8,327,668.10/4,385.61
  6. Step 6: Final answer
    x = 1,898.86

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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.