Home / 5,142.17-7,090.88-4,398.59

Finding the Fourth Proportional to 5,142.17, 7,090.88 and 4,398.59

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Solution

The fourth proportional to 5,142.17, 7,090.88 and 4,398.59 is: 6,065.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.17 : 7,090.88 = 4,398.59 : x
  2. Step 2: Convert to fraction form
    5,142.17/7,090.88 = 4,398.59/x
  3. Step 3: Cross multiply
    5,142.17x = 7,090.88 × 4,398.59
  4. Step 4: Simplify right side
    5,142.17x = 31,189,849.40
  5. Step 5: Solve for x
    x = 31,189,849.40/5,142.17
  6. Step 6: Final answer
    x = 6,065.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.