Home / 5,587.80-8,388.10-3,280.60

Finding the Fourth Proportional to 5,587.80, 8,388.10 and 3,280.60

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Solution

The fourth proportional to 5,587.80, 8,388.10 and 3,280.60 is: 4,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.80 : 8,388.10 = 3,280.60 : x
  2. Step 2: Convert to fraction form
    5,587.80/8,388.10 = 3,280.60/x
  3. Step 3: Cross multiply
    5,587.80x = 8,388.10 × 3,280.60
  4. Step 4: Simplify right side
    5,587.80x = 27,518,000.86
  5. Step 5: Solve for x
    x = 27,518,000.86/5,587.80
  6. Step 6: Final answer
    x = 4,924.66

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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.