Home / 5,395.12-8,091.17-3,417.81

Finding the Fourth Proportional to 5,395.12, 8,091.17 and 3,417.81

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Solution

The fourth proportional to 5,395.12, 8,091.17 and 3,417.81 is: 5,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,395.12 : 8,091.17 = 3,417.81 : x
  2. Step 2: Convert to fraction form
    5,395.12/8,091.17 = 3,417.81/x
  3. Step 3: Cross multiply
    5,395.12x = 8,091.17 × 3,417.81
  4. Step 4: Simplify right side
    5,395.12x = 27,654,090.28
  5. Step 5: Solve for x
    x = 27,654,090.28/5,395.12
  6. Step 6: Final answer
    x = 5,125.76

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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.