Home / 5,419.16-8,141.70-3,475.16

Finding the Fourth Proportional to 5,419.16, 8,141.70 and 3,475.16

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Solution

The fourth proportional to 5,419.16, 8,141.70 and 3,475.16 is: 5,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.16 : 8,141.70 = 3,475.16 : x
  2. Step 2: Convert to fraction form
    5,419.16/8,141.70 = 3,475.16/x
  3. Step 3: Cross multiply
    5,419.16x = 8,141.70 × 3,475.16
  4. Step 4: Simplify right side
    5,419.16x = 28,293,710.17
  5. Step 5: Solve for x
    x = 28,293,710.17/5,419.16
  6. Step 6: Final answer
    x = 5,221.05

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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.