Home / 8,091.42-12,137.58-2,545.53

Finding the Fourth Proportional to 8,091.42, 12,137.58 and 2,545.53

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Solution

The fourth proportional to 8,091.42, 12,137.58 and 2,545.53 is: 3,818.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.42 : 12,137.58 = 2,545.53 : x
  2. Step 2: Convert to fraction form
    8,091.42/12,137.58 = 2,545.53/x
  3. Step 3: Cross multiply
    8,091.42x = 12,137.58 × 2,545.53
  4. Step 4: Simplify right side
    8,091.42x = 30,896,574.02
  5. Step 5: Solve for x
    x = 30,896,574.02/8,091.42
  6. Step 6: Final answer
    x = 3,818.44

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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.