Home / 5,381.10-8,079.75-5,104.08

Finding the Fourth Proportional to 5,381.10, 8,079.75 and 5,104.08

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Solution

The fourth proportional to 5,381.10, 8,079.75 and 5,104.08 is: 7,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.10 : 8,079.75 = 5,104.08 : x
  2. Step 2: Convert to fraction form
    5,381.10/8,079.75 = 5,104.08/x
  3. Step 3: Cross multiply
    5,381.10x = 8,079.75 × 5,104.08
  4. Step 4: Simplify right side
    5,381.10x = 41,239,690.38
  5. Step 5: Solve for x
    x = 41,239,690.38/5,381.10
  6. Step 6: Final answer
    x = 7,663.80

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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.