Home / 4,754.96-7,132.42-1,292.20

Finding the Fourth Proportional to 4,754.96, 7,132.42 and 1,292.20

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Solution

The fourth proportional to 4,754.96, 7,132.42 and 1,292.20 is: 1,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.96 : 7,132.42 = 1,292.20 : x
  2. Step 2: Convert to fraction form
    4,754.96/7,132.42 = 1,292.20/x
  3. Step 3: Cross multiply
    4,754.96x = 7,132.42 × 1,292.20
  4. Step 4: Simplify right side
    4,754.96x = 9,216,513.12
  5. Step 5: Solve for x
    x = 9,216,513.12/4,754.96
  6. Step 6: Final answer
    x = 1,938.29

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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.