Home / 5,545.82-8,312.81-2,767.02

Finding the Fourth Proportional to 5,545.82, 8,312.81 and 2,767.02

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Solution

The fourth proportional to 5,545.82, 8,312.81 and 2,767.02 is: 4,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545.82 : 8,312.81 = 2,767.02 : x
  2. Step 2: Convert to fraction form
    5,545.82/8,312.81 = 2,767.02/x
  3. Step 3: Cross multiply
    5,545.82x = 8,312.81 × 2,767.02
  4. Step 4: Simplify right side
    5,545.82x = 23,001,711.53
  5. Step 5: Solve for x
    x = 23,001,711.53/5,545.82
  6. Step 6: Final answer
    x = 4,147.58

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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.