Home / 4,659.07-6,990.11-1,372.18

Finding the Fourth Proportional to 4,659.07, 6,990.11 and 1,372.18

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Solution

The fourth proportional to 4,659.07, 6,990.11 and 1,372.18 is: 2,058.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.07 : 6,990.11 = 1,372.18 : x
  2. Step 2: Convert to fraction form
    4,659.07/6,990.11 = 1,372.18/x
  3. Step 3: Cross multiply
    4,659.07x = 6,990.11 × 1,372.18
  4. Step 4: Simplify right side
    4,659.07x = 9,591,689.14
  5. Step 5: Solve for x
    x = 9,591,689.14/4,659.07
  6. Step 6: Final answer
    x = 2,058.71

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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.