Home / 4,002.50-5,521-2,658.18

Finding the Fourth Proportional to 4,002.50, 5,521 and 2,658.18

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Solution

The fourth proportional to 4,002.50, 5,521 and 2,658.18 is: 3,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.50 : 5,521 = 2,658.18 : x
  2. Step 2: Convert to fraction form
    4,002.50/5,521 = 2,658.18/x
  3. Step 3: Cross multiply
    4,002.50x = 5,521 × 2,658.18
  4. Step 4: Simplify right side
    4,002.50x = 14,675,811.78
  5. Step 5: Solve for x
    x = 14,675,811.78/4,002.50
  6. Step 6: Final answer
    x = 3,666.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.