Home / 5,028.66-7,489.87-4,765.20

Finding the Fourth Proportional to 5,028.66, 7,489.87 and 4,765.20

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Solution

The fourth proportional to 5,028.66, 7,489.87 and 4,765.20 is: 7,097.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.66 : 7,489.87 = 4,765.20 : x
  2. Step 2: Convert to fraction form
    5,028.66/7,489.87 = 4,765.20/x
  3. Step 3: Cross multiply
    5,028.66x = 7,489.87 × 4,765.20
  4. Step 4: Simplify right side
    5,028.66x = 35,690,688.52
  5. Step 5: Solve for x
    x = 35,690,688.52/5,028.66
  6. Step 6: Final answer
    x = 7,097.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.