Home / 4,665.12-7,000.80-2,587.20

Finding the Fourth Proportional to 4,665.12, 7,000.80 and 2,587.20

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Solution

The fourth proportional to 4,665.12, 7,000.80 and 2,587.20 is: 3,882.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,665.12 : 7,000.80 = 2,587.20 : x
  2. Step 2: Convert to fraction form
    4,665.12/7,000.80 = 2,587.20/x
  3. Step 3: Cross multiply
    4,665.12x = 7,000.80 × 2,587.20
  4. Step 4: Simplify right side
    4,665.12x = 18,112,469.76
  5. Step 5: Solve for x
    x = 18,112,469.76/4,665.12
  6. Step 6: Final answer
    x = 3,882.53

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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.