Home / 8,820.91-12,168.24-5,462.65

Finding the Fourth Proportional to 8,820.91, 12,168.24 and 5,462.65

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Solution

The fourth proportional to 8,820.91, 12,168.24 and 5,462.65 is: 7,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.91 : 12,168.24 = 5,462.65 : x
  2. Step 2: Convert to fraction form
    8,820.91/12,168.24 = 5,462.65/x
  3. Step 3: Cross multiply
    8,820.91x = 12,168.24 × 5,462.65
  4. Step 4: Simplify right side
    8,820.91x = 66,470,836.24
  5. Step 5: Solve for x
    x = 66,470,836.24/8,820.91
  6. Step 6: Final answer
    x = 7,535.60

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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.