Home / 5,677.02-8,518.84-2,389.92

Finding the Fourth Proportional to 5,677.02, 8,518.84 and 2,389.92

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Solution

The fourth proportional to 5,677.02, 8,518.84 and 2,389.92 is: 3,586.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.02 : 8,518.84 = 2,389.92 : x
  2. Step 2: Convert to fraction form
    5,677.02/8,518.84 = 2,389.92/x
  3. Step 3: Cross multiply
    5,677.02x = 8,518.84 × 2,389.92
  4. Step 4: Simplify right side
    5,677.02x = 20,359,346.09
  5. Step 5: Solve for x
    x = 20,359,346.09/5,677.02
  6. Step 6: Final answer
    x = 3,586.27

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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.