Home / 4,743.42-7,115.45-1,456.53

Finding the Fourth Proportional to 4,743.42, 7,115.45 and 1,456.53

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Solution

The fourth proportional to 4,743.42, 7,115.45 and 1,456.53 is: 2,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.42 : 7,115.45 = 1,456.53 : x
  2. Step 2: Convert to fraction form
    4,743.42/7,115.45 = 1,456.53/x
  3. Step 3: Cross multiply
    4,743.42x = 7,115.45 × 1,456.53
  4. Step 4: Simplify right side
    4,743.42x = 10,363,859.11
  5. Step 5: Solve for x
    x = 10,363,859.11/4,743.42
  6. Step 6: Final answer
    x = 2,184.89

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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.