Home / 6,239.60-8,611.44-3,586.76

Finding the Fourth Proportional to 6,239.60, 8,611.44 and 3,586.76

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Solution

The fourth proportional to 6,239.60, 8,611.44 and 3,586.76 is: 4,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.60 : 8,611.44 = 3,586.76 : x
  2. Step 2: Convert to fraction form
    6,239.60/8,611.44 = 3,586.76/x
  3. Step 3: Cross multiply
    6,239.60x = 8,611.44 × 3,586.76
  4. Step 4: Simplify right side
    6,239.60x = 30,887,168.53
  5. Step 5: Solve for x
    x = 30,887,168.53/6,239.60
  6. Step 6: Final answer
    x = 4,950.18

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Half scale
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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.