Home / 5,465.24-8,186.02-3,385.78

Finding the Fourth Proportional to 5,465.24, 8,186.02 and 3,385.78

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Solution

The fourth proportional to 5,465.24, 8,186.02 and 3,385.78 is: 5,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.24 : 8,186.02 = 3,385.78 : x
  2. Step 2: Convert to fraction form
    5,465.24/8,186.02 = 3,385.78/x
  3. Step 3: Cross multiply
    5,465.24x = 8,186.02 × 3,385.78
  4. Step 4: Simplify right side
    5,465.24x = 27,716,062.80
  5. Step 5: Solve for x
    x = 27,716,062.80/5,465.24
  6. Step 6: Final answer
    x = 5,071.33

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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.