Home / 8,530.52-12,794.70-5,237.80

Finding the Fourth Proportional to 8,530.52, 12,794.70 and 5,237.80

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Solution

The fourth proportional to 8,530.52, 12,794.70 and 5,237.80 is: 7,856.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.52 : 12,794.70 = 5,237.80 : x
  2. Step 2: Convert to fraction form
    8,530.52/12,794.70 = 5,237.80/x
  3. Step 3: Cross multiply
    8,530.52x = 12,794.70 × 5,237.80
  4. Step 4: Simplify right side
    8,530.52x = 67,016,079.66
  5. Step 5: Solve for x
    x = 67,016,079.66/8,530.52
  6. Step 6: Final answer
    x = 7,856.04

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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.