Home / 5,391.18-8,104.08-5,005.98

Finding the Fourth Proportional to 5,391.18, 8,104.08 and 5,005.98

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Solution

The fourth proportional to 5,391.18, 8,104.08 and 5,005.98 is: 7,525.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.18 : 8,104.08 = 5,005.98 : x
  2. Step 2: Convert to fraction form
    5,391.18/8,104.08 = 5,005.98/x
  3. Step 3: Cross multiply
    5,391.18x = 8,104.08 × 5,005.98
  4. Step 4: Simplify right side
    5,391.18x = 40,568,862.40
  5. Step 5: Solve for x
    x = 40,568,862.40/5,391.18
  6. Step 6: Final answer
    x = 7,525.04

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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.