Home / 5,637.20-8,458.20-3,558.80

Finding the Fourth Proportional to 5,637.20, 8,458.20 and 3,558.80

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Solution

The fourth proportional to 5,637.20, 8,458.20 and 3,558.80 is: 5,339.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637.20 : 8,458.20 = 3,558.80 : x
  2. Step 2: Convert to fraction form
    5,637.20/8,458.20 = 3,558.80/x
  3. Step 3: Cross multiply
    5,637.20x = 8,458.20 × 3,558.80
  4. Step 4: Simplify right side
    5,637.20x = 30,101,042.16
  5. Step 5: Solve for x
    x = 30,101,042.16/5,637.20
  6. Step 6: Final answer
    x = 5,339.72

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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.