Home / 5,234.68-7,852.29-1,339.12

Finding the Fourth Proportional to 5,234.68, 7,852.29 and 1,339.12

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Solution

The fourth proportional to 5,234.68, 7,852.29 and 1,339.12 is: 2,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.68 : 7,852.29 = 1,339.12 : x
  2. Step 2: Convert to fraction form
    5,234.68/7,852.29 = 1,339.12/x
  3. Step 3: Cross multiply
    5,234.68x = 7,852.29 × 1,339.12
  4. Step 4: Simplify right side
    5,234.68x = 10,515,158.58
  5. Step 5: Solve for x
    x = 10,515,158.58/5,234.68
  6. Step 6: Final answer
    x = 2,008.75

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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.