Home / 5,639.20-8,458.80-2,352.26

Finding the Fourth Proportional to 5,639.20, 8,458.80 and 2,352.26

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Solution

The fourth proportional to 5,639.20, 8,458.80 and 2,352.26 is: 3,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.20 : 8,458.80 = 2,352.26 : x
  2. Step 2: Convert to fraction form
    5,639.20/8,458.80 = 2,352.26/x
  3. Step 3: Cross multiply
    5,639.20x = 8,458.80 × 2,352.26
  4. Step 4: Simplify right side
    5,639.20x = 19,897,296.89
  5. Step 5: Solve for x
    x = 19,897,296.89/5,639.20
  6. Step 6: Final answer
    x = 3,528.39

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Similar ratio
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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.