Home / 7,601.19-11,393.37-5,129.88

Finding the Fourth Proportional to 7,601.19, 11,393.37 and 5,129.88

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Solution

The fourth proportional to 7,601.19, 11,393.37 and 5,129.88 is: 7,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,601.19 : 11,393.37 = 5,129.88 : x
  2. Step 2: Convert to fraction form
    7,601.19/11,393.37 = 5,129.88/x
  3. Step 3: Cross multiply
    7,601.19x = 11,393.37 × 5,129.88
  4. Step 4: Simplify right side
    7,601.19x = 58,446,620.90
  5. Step 5: Solve for x
    x = 58,446,620.90/7,601.19
  6. Step 6: Final answer
    x = 7,689.14

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1.5x scale

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.