Home / 6,240.38-8,611.52-3,587.74

Finding the Fourth Proportional to 6,240.38, 8,611.52 and 3,587.74

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Solution

The fourth proportional to 6,240.38, 8,611.52 and 3,587.74 is: 4,950.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.38 : 8,611.52 = 3,587.74 : x
  2. Step 2: Convert to fraction form
    6,240.38/8,611.52 = 3,587.74/x
  3. Step 3: Cross multiply
    6,240.38x = 8,611.52 × 3,587.74
  4. Step 4: Simplify right side
    6,240.38x = 30,895,894.76
  5. Step 5: Solve for x
    x = 30,895,894.76/6,240.38
  6. Step 6: Final answer
    x = 4,950.96

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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.