Home / 8,158.24-12,236.88-2,686.24

Finding the Fourth Proportional to 8,158.24, 12,236.88 and 2,686.24

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Solution

The fourth proportional to 8,158.24, 12,236.88 and 2,686.24 is: 4,029.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.24 : 12,236.88 = 2,686.24 : x
  2. Step 2: Convert to fraction form
    8,158.24/12,236.88 = 2,686.24/x
  3. Step 3: Cross multiply
    8,158.24x = 12,236.88 × 2,686.24
  4. Step 4: Simplify right side
    8,158.24x = 32,871,196.53
  5. Step 5: Solve for x
    x = 32,871,196.53/8,158.24
  6. Step 6: Final answer
    x = 4,029.20

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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.