Home / 9,247.28-12,761.30-5,055.53

Finding the Fourth Proportional to 9,247.28, 12,761.30 and 5,055.53

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Solution

The fourth proportional to 9,247.28, 12,761.30 and 5,055.53 is: 6,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.28 : 12,761.30 = 5,055.53 : x
  2. Step 2: Convert to fraction form
    9,247.28/12,761.30 = 5,055.53/x
  3. Step 3: Cross multiply
    9,247.28x = 12,761.30 × 5,055.53
  4. Step 4: Simplify right side
    9,247.28x = 64,515,134.99
  5. Step 5: Solve for x
    x = 64,515,134.99/9,247.28
  6. Step 6: Final answer
    x = 6,976.66

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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.