Home / 4,988.01-7,478.04-2,487.83

Finding the Fourth Proportional to 4,988.01, 7,478.04 and 2,487.83

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Solution

The fourth proportional to 4,988.01, 7,478.04 and 2,487.83 is: 3,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.01 : 7,478.04 = 2,487.83 : x
  2. Step 2: Convert to fraction form
    4,988.01/7,478.04 = 2,487.83/x
  3. Step 3: Cross multiply
    4,988.01x = 7,478.04 × 2,487.83
  4. Step 4: Simplify right side
    4,988.01x = 18,604,092.25
  5. Step 5: Solve for x
    x = 18,604,092.25/4,988.01
  6. Step 6: Final answer
    x = 3,729.76

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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.