Home / 8,074.28-12,116.20-4,376.42

Finding the Fourth Proportional to 8,074.28, 12,116.20 and 4,376.42

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Solution

The fourth proportional to 8,074.28, 12,116.20 and 4,376.42 is: 6,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,074.28 : 12,116.20 = 4,376.42 : x
  2. Step 2: Convert to fraction form
    8,074.28/12,116.20 = 4,376.42/x
  3. Step 3: Cross multiply
    8,074.28x = 12,116.20 × 4,376.42
  4. Step 4: Simplify right side
    8,074.28x = 53,025,580.00
  5. Step 5: Solve for x
    x = 53,025,580.00/8,074.28
  6. Step 6: Final answer
    x = 6,567.22

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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.