Home / 5,419.85-7,479.40-3,062.00

Finding the Fourth Proportional to 5,419.85, 7,479.40 and 3,062.00

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Solution

The fourth proportional to 5,419.85, 7,479.40 and 3,062.00 is: 4,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.85 : 7,479.40 = 3,062.00 : x
  2. Step 2: Convert to fraction form
    5,419.85/7,479.40 = 3,062.00/x
  3. Step 3: Cross multiply
    5,419.85x = 7,479.40 × 3,062.00
  4. Step 4: Simplify right side
    5,419.85x = 22,901,877.75
  5. Step 5: Solve for x
    x = 22,901,877.75/5,419.85
  6. Step 6: Final answer
    x = 4,225.55

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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.