Home / 4,711.89-6,499.53-3,387.39

Finding the Fourth Proportional to 4,711.89, 6,499.53 and 3,387.39

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Solution

The fourth proportional to 4,711.89, 6,499.53 and 3,387.39 is: 4,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711.89 : 6,499.53 = 3,387.39 : x
  2. Step 2: Convert to fraction form
    4,711.89/6,499.53 = 3,387.39/x
  3. Step 3: Cross multiply
    4,711.89x = 6,499.53 × 3,387.39
  4. Step 4: Simplify right side
    4,711.89x = 22,016,442.93
  5. Step 5: Solve for x
    x = 22,016,442.93/4,711.89
  6. Step 6: Final answer
    x = 4,672.53

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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.