Home / 7,423.14-11,120.30-6,634.47

Finding the Fourth Proportional to 7,423.14, 11,120.30 and 6,634.47

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Solution

The fourth proportional to 7,423.14, 11,120.30 and 6,634.47 is: 9,938.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.14 : 11,120.30 = 6,634.47 : x
  2. Step 2: Convert to fraction form
    7,423.14/11,120.30 = 6,634.47/x
  3. Step 3: Cross multiply
    7,423.14x = 11,120.30 × 6,634.47
  4. Step 4: Simplify right side
    7,423.14x = 73,777,263.57
  5. Step 5: Solve for x
    x = 73,777,263.57/7,423.14
  6. Step 6: Final answer
    x = 9,938.82

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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.