Home / 5,777.18-8,666.68-2,491.20

Finding the Fourth Proportional to 5,777.18, 8,666.68 and 2,491.20

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Solution

The fourth proportional to 5,777.18, 8,666.68 and 2,491.20 is: 3,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.18 : 8,666.68 = 2,491.20 : x
  2. Step 2: Convert to fraction form
    5,777.18/8,666.68 = 2,491.20/x
  3. Step 3: Cross multiply
    5,777.18x = 8,666.68 × 2,491.20
  4. Step 4: Simplify right side
    5,777.18x = 21,590,433.22
  5. Step 5: Solve for x
    x = 21,590,433.22/5,777.18
  6. Step 6: Final answer
    x = 3,737.19

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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.