Home / 4,743.11-7,114.67-1,280.36

Finding the Fourth Proportional to 4,743.11, 7,114.67 and 1,280.36

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Solution

The fourth proportional to 4,743.11, 7,114.67 and 1,280.36 is: 1,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.11 : 7,114.67 = 1,280.36 : x
  2. Step 2: Convert to fraction form
    4,743.11/7,114.67 = 1,280.36/x
  3. Step 3: Cross multiply
    4,743.11x = 7,114.67 × 1,280.36
  4. Step 4: Simplify right side
    4,743.11x = 9,109,296.91
  5. Step 5: Solve for x
    x = 9,109,296.91/4,743.11
  6. Step 6: Final answer
    x = 1,920.53

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Similar ratio
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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.