Home / 5,419.60-7,479.36-3,062.56

Finding the Fourth Proportional to 5,419.60, 7,479.36 and 3,062.56

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Solution

The fourth proportional to 5,419.60, 7,479.36 and 3,062.56 is: 4,226.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.60 : 7,479.36 = 3,062.56 : x
  2. Step 2: Convert to fraction form
    5,419.60/7,479.36 = 3,062.56/x
  3. Step 3: Cross multiply
    5,419.60x = 7,479.36 × 3,062.56
  4. Step 4: Simplify right side
    5,419.60x = 22,905,988.76
  5. Step 5: Solve for x
    x = 22,905,988.76/5,419.60
  6. Step 6: Final answer
    x = 4,226.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.