Home / 8,377.28-12,555.48-3,444.20

Finding the Fourth Proportional to 8,377.28, 12,555.48 and 3,444.20

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Solution

The fourth proportional to 8,377.28, 12,555.48 and 3,444.20 is: 5,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.28 : 12,555.48 = 3,444.20 : x
  2. Step 2: Convert to fraction form
    8,377.28/12,555.48 = 3,444.20/x
  3. Step 3: Cross multiply
    8,377.28x = 12,555.48 × 3,444.20
  4. Step 4: Simplify right side
    8,377.28x = 43,243,584.22
  5. Step 5: Solve for x
    x = 43,243,584.22/8,377.28
  6. Step 6: Final answer
    x = 5,162.01

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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.