Home / 5,775.80-8,656.97-2,656.13

Finding the Fourth Proportional to 5,775.80, 8,656.97 and 2,656.13

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Solution

The fourth proportional to 5,775.80, 8,656.97 and 2,656.13 is: 3,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,775.80 : 8,656.97 = 2,656.13 : x
  2. Step 2: Convert to fraction form
    5,775.80/8,656.97 = 2,656.13/x
  3. Step 3: Cross multiply
    5,775.80x = 8,656.97 × 2,656.13
  4. Step 4: Simplify right side
    5,775.80x = 22,993,981.16
  5. Step 5: Solve for x
    x = 22,993,981.16/5,775.80
  6. Step 6: Final answer
    x = 3,981.09

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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.