Home / 8,150.13-12,225.18-5,246.88

Finding the Fourth Proportional to 8,150.13, 12,225.18 and 5,246.88

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Solution

The fourth proportional to 8,150.13, 12,225.18 and 5,246.88 is: 7,870.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.13 : 12,225.18 = 5,246.88 : x
  2. Step 2: Convert to fraction form
    8,150.13/12,225.18 = 5,246.88/x
  3. Step 3: Cross multiply
    8,150.13x = 12,225.18 × 5,246.88
  4. Step 4: Simplify right side
    8,150.13x = 64,144,052.44
  5. Step 5: Solve for x
    x = 64,144,052.44/8,150.13
  6. Step 6: Final answer
    x = 7,870.31

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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.