Home / 4,003.74-5,521.04-2,658.87

Finding the Fourth Proportional to 4,003.74, 5,521.04 and 2,658.87

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Solution

The fourth proportional to 4,003.74, 5,521.04 and 2,658.87 is: 3,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.74 : 5,521.04 = 2,658.87 : x
  2. Step 2: Convert to fraction form
    4,003.74/5,521.04 = 2,658.87/x
  3. Step 3: Cross multiply
    4,003.74x = 5,521.04 × 2,658.87
  4. Step 4: Simplify right side
    4,003.74x = 14,679,714.33
  5. Step 5: Solve for x
    x = 14,679,714.33/4,003.74
  6. Step 6: Final answer
    x = 3,666.50

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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.