Home / 10,587.85-15,879.45-4,341.71

Finding the Fourth Proportional to 10,587.85, 15,879.45 and 4,341.71

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Solution

The fourth proportional to 10,587.85, 15,879.45 and 4,341.71 is: 6,511.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.85 : 15,879.45 = 4,341.71 : x
  2. Step 2: Convert to fraction form
    10,587.85/15,879.45 = 4,341.71/x
  3. Step 3: Cross multiply
    10,587.85x = 15,879.45 × 4,341.71
  4. Step 4: Simplify right side
    10,587.85x = 68,944,022.84
  5. Step 5: Solve for x
    x = 68,944,022.84/10,587.85
  6. Step 6: Final answer
    x = 6,511.62

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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.