Home / 8,360.32-12,535.68-3,162.88

Finding the Fourth Proportional to 8,360.32, 12,535.68 and 3,162.88

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Solution

The fourth proportional to 8,360.32, 12,535.68 and 3,162.88 is: 4,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.32 : 12,535.68 = 3,162.88 : x
  2. Step 2: Convert to fraction form
    8,360.32/12,535.68 = 3,162.88/x
  3. Step 3: Cross multiply
    8,360.32x = 12,535.68 × 3,162.88
  4. Step 4: Simplify right side
    8,360.32x = 39,648,851.56
  5. Step 5: Solve for x
    x = 39,648,851.56/8,360.32
  6. Step 6: Final answer
    x = 4,742.50

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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.