Home / 7,157.91-9,876.69-4,508.85

Finding the Fourth Proportional to 7,157.91, 9,876.69 and 4,508.85

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Solution

The fourth proportional to 7,157.91, 9,876.69 and 4,508.85 is: 6,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157.91 : 9,876.69 = 4,508.85 : x
  2. Step 2: Convert to fraction form
    7,157.91/9,876.69 = 4,508.85/x
  3. Step 3: Cross multiply
    7,157.91x = 9,876.69 × 4,508.85
  4. Step 4: Simplify right side
    7,157.91x = 44,532,513.71
  5. Step 5: Solve for x
    x = 44,532,513.71/7,157.91
  6. Step 6: Final answer
    x = 6,221.44

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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.