Home / 4,743.39-7,114.25-1,280.91

Finding the Fourth Proportional to 4,743.39, 7,114.25 and 1,280.91

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Solution

The fourth proportional to 4,743.39, 7,114.25 and 1,280.91 is: 1,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743.39 : 7,114.25 = 1,280.91 : x
  2. Step 2: Convert to fraction form
    4,743.39/7,114.25 = 1,280.91/x
  3. Step 3: Cross multiply
    4,743.39x = 7,114.25 × 1,280.91
  4. Step 4: Simplify right side
    4,743.39x = 9,112,707.56
  5. Step 5: Solve for x
    x = 9,112,707.56/4,743.39
  6. Step 6: Final answer
    x = 1,921.14

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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.