Home / 7,691.47-10,619.44-4,861.27

Finding the Fourth Proportional to 7,691.47, 10,619.44 and 4,861.27

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Solution

The fourth proportional to 7,691.47, 10,619.44 and 4,861.27 is: 6,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.47 : 10,619.44 = 4,861.27 : x
  2. Step 2: Convert to fraction form
    7,691.47/10,619.44 = 4,861.27/x
  3. Step 3: Cross multiply
    7,691.47x = 10,619.44 × 4,861.27
  4. Step 4: Simplify right side
    7,691.47x = 51,623,965.09
  5. Step 5: Solve for x
    x = 51,623,965.09/7,691.47
  6. Step 6: Final answer
    x = 6,711.85

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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.