Home / 4,952.20-7,428.11-1,254.56

Finding the Fourth Proportional to 4,952.20, 7,428.11 and 1,254.56

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Solution

The fourth proportional to 4,952.20, 7,428.11 and 1,254.56 is: 1,881.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,952.20 : 7,428.11 = 1,254.56 : x
  2. Step 2: Convert to fraction form
    4,952.20/7,428.11 = 1,254.56/x
  3. Step 3: Cross multiply
    4,952.20x = 7,428.11 × 1,254.56
  4. Step 4: Simplify right side
    4,952.20x = 9,319,009.68
  5. Step 5: Solve for x
    x = 9,319,009.68/4,952.20
  6. Step 6: Final answer
    x = 1,881.79

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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.