Home / 6,239.12-8,611.40-4,250.47

Finding the Fourth Proportional to 6,239.12, 8,611.40 and 4,250.47

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Solution

The fourth proportional to 6,239.12, 8,611.40 and 4,250.47 is: 5,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.12 : 8,611.40 = 4,250.47 : x
  2. Step 2: Convert to fraction form
    6,239.12/8,611.40 = 4,250.47/x
  3. Step 3: Cross multiply
    6,239.12x = 8,611.40 × 4,250.47
  4. Step 4: Simplify right side
    6,239.12x = 36,602,476.11
  5. Step 5: Solve for x
    x = 36,602,476.11/6,239.12
  6. Step 6: Final answer
    x = 5,866.61

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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.