Home / 8,253.18-12,378.42-3,057.84

Finding the Fourth Proportional to 8,253.18, 12,378.42 and 3,057.84

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Solution

The fourth proportional to 8,253.18, 12,378.42 and 3,057.84 is: 4,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.18 : 12,378.42 = 3,057.84 : x
  2. Step 2: Convert to fraction form
    8,253.18/12,378.42 = 3,057.84/x
  3. Step 3: Cross multiply
    8,253.18x = 12,378.42 × 3,057.84
  4. Step 4: Simplify right side
    8,253.18x = 37,851,227.81
  5. Step 5: Solve for x
    x = 37,851,227.81/8,253.18
  6. Step 6: Final answer
    x = 4,586.26

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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.