Home / 6,691.40-10,038.31-2,993.55

Finding the Fourth Proportional to 6,691.40, 10,038.31 and 2,993.55

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Solution

The fourth proportional to 6,691.40, 10,038.31 and 2,993.55 is: 4,490.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.40 : 10,038.31 = 2,993.55 : x
  2. Step 2: Convert to fraction form
    6,691.40/10,038.31 = 2,993.55/x
  3. Step 3: Cross multiply
    6,691.40x = 10,038.31 × 2,993.55
  4. Step 4: Simplify right side
    6,691.40x = 30,050,182.90
  5. Step 5: Solve for x
    x = 30,050,182.90/6,691.40
  6. Step 6: Final answer
    x = 4,490.87

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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.