Home / 5,579.01-8,369.92-3,938.76

Finding the Fourth Proportional to 5,579.01, 8,369.92 and 3,938.76

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Solution

The fourth proportional to 5,579.01, 8,369.92 and 3,938.76 is: 5,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.01 : 8,369.92 = 3,938.76 : x
  2. Step 2: Convert to fraction form
    5,579.01/8,369.92 = 3,938.76/x
  3. Step 3: Cross multiply
    5,579.01x = 8,369.92 × 3,938.76
  4. Step 4: Simplify right side
    5,579.01x = 32,967,106.10
  5. Step 5: Solve for x
    x = 32,967,106.10/5,579.01
  6. Step 6: Final answer
    x = 5,909.13

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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.