Home / 6,290.96-9,432.30-3,521.72

Finding the Fourth Proportional to 6,290.96, 9,432.30 and 3,521.72

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Solution

The fourth proportional to 6,290.96, 9,432.30 and 3,521.72 is: 5,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.96 : 9,432.30 = 3,521.72 : x
  2. Step 2: Convert to fraction form
    6,290.96/9,432.30 = 3,521.72/x
  3. Step 3: Cross multiply
    6,290.96x = 9,432.30 × 3,521.72
  4. Step 4: Simplify right side
    6,290.96x = 33,217,919.56
  5. Step 5: Solve for x
    x = 33,217,919.56/6,290.96
  6. Step 6: Final answer
    x = 5,280.26

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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.