Home / 8,377.44-12,547.92-3,981.56

Finding the Fourth Proportional to 8,377.44, 12,547.92 and 3,981.56

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Solution

The fourth proportional to 8,377.44, 12,547.92 and 3,981.56 is: 5,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.44 : 12,547.92 = 3,981.56 : x
  2. Step 2: Convert to fraction form
    8,377.44/12,547.92 = 3,981.56/x
  3. Step 3: Cross multiply
    8,377.44x = 12,547.92 × 3,981.56
  4. Step 4: Simplify right side
    8,377.44x = 49,960,296.36
  5. Step 5: Solve for x
    x = 49,960,296.36/8,377.44
  6. Step 6: Final answer
    x = 5,963.67

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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.