Home / 7,378.17-11,010.20-6,589.68

Finding the Fourth Proportional to 7,378.17, 11,010.20 and 6,589.68

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Solution

The fourth proportional to 7,378.17, 11,010.20 and 6,589.68 is: 9,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.17 : 11,010.20 = 6,589.68 : x
  2. Step 2: Convert to fraction form
    7,378.17/11,010.20 = 6,589.68/x
  3. Step 3: Cross multiply
    7,378.17x = 11,010.20 × 6,589.68
  4. Step 4: Simplify right side
    7,378.17x = 72,553,661.79
  5. Step 5: Solve for x
    x = 72,553,661.79/7,378.17
  6. Step 6: Final answer
    x = 9,833.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.