Home / 5,143.13-7,090.89-4,197.95

Finding the Fourth Proportional to 5,143.13, 7,090.89 and 4,197.95

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Solution

The fourth proportional to 5,143.13, 7,090.89 and 4,197.95 is: 5,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.13 : 7,090.89 = 4,197.95 : x
  2. Step 2: Convert to fraction form
    5,143.13/7,090.89 = 4,197.95/x
  3. Step 3: Cross multiply
    5,143.13x = 7,090.89 × 4,197.95
  4. Step 4: Simplify right side
    5,143.13x = 29,767,201.68
  5. Step 5: Solve for x
    x = 29,767,201.68/5,143.13
  6. Step 6: Final answer
    x = 5,787.76

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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.