Home / 7,544.20-10,389.03-7,062.85

Finding the Fourth Proportional to 7,544.20, 10,389.03 and 7,062.85

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Solution

The fourth proportional to 7,544.20, 10,389.03 and 7,062.85 is: 9,726.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.20 : 10,389.03 = 7,062.85 : x
  2. Step 2: Convert to fraction form
    7,544.20/10,389.03 = 7,062.85/x
  3. Step 3: Cross multiply
    7,544.20x = 10,389.03 × 7,062.85
  4. Step 4: Simplify right side
    7,544.20x = 73,376,160.54
  5. Step 5: Solve for x
    x = 73,376,160.54/7,544.20
  6. Step 6: Final answer
    x = 9,726.17

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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.