Home / 7,591.79-11,387.59-6,290.53

Finding the Fourth Proportional to 7,591.79, 11,387.59 and 6,290.53

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Solution

The fourth proportional to 7,591.79, 11,387.59 and 6,290.53 is: 9,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.79 : 11,387.59 = 6,290.53 : x
  2. Step 2: Convert to fraction form
    7,591.79/11,387.59 = 6,290.53/x
  3. Step 3: Cross multiply
    7,591.79x = 11,387.59 × 6,290.53
  4. Step 4: Simplify right side
    7,591.79x = 71,633,932.33
  5. Step 5: Solve for x
    x = 71,633,932.33/7,591.79
  6. Step 6: Final answer
    x = 9,435.71

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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.