Home / 8,352.18-12,530.70-5,227.20

Finding the Fourth Proportional to 8,352.18, 12,530.70 and 5,227.20

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Solution

The fourth proportional to 8,352.18, 12,530.70 and 5,227.20 is: 7,842.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.18 : 12,530.70 = 5,227.20 : x
  2. Step 2: Convert to fraction form
    8,352.18/12,530.70 = 5,227.20/x
  3. Step 3: Cross multiply
    8,352.18x = 12,530.70 × 5,227.20
  4. Step 4: Simplify right side
    8,352.18x = 65,500,475.04
  5. Step 5: Solve for x
    x = 65,500,475.04/8,352.18
  6. Step 6: Final answer
    x = 7,842.32

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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.