Home / 8,167.90-12,253.55-2,545.43

Finding the Fourth Proportional to 8,167.90, 12,253.55 and 2,545.43

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Solution

The fourth proportional to 8,167.90, 12,253.55 and 2,545.43 is: 3,818.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.90 : 12,253.55 = 2,545.43 : x
  2. Step 2: Convert to fraction form
    8,167.90/12,253.55 = 2,545.43/x
  3. Step 3: Cross multiply
    8,167.90x = 12,253.55 × 2,545.43
  4. Step 4: Simplify right side
    8,167.90x = 31,190,535.72
  5. Step 5: Solve for x
    x = 31,190,535.72/8,167.90
  6. Step 6: Final answer
    x = 3,818.67

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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.