Home / 5,585.76-8,368.96-3,389.88

Finding the Fourth Proportional to 5,585.76, 8,368.96 and 3,389.88

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Solution

The fourth proportional to 5,585.76, 8,368.96 and 3,389.88 is: 5,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.76 : 8,368.96 = 3,389.88 : x
  2. Step 2: Convert to fraction form
    5,585.76/8,368.96 = 3,389.88/x
  3. Step 3: Cross multiply
    5,585.76x = 8,368.96 × 3,389.88
  4. Step 4: Simplify right side
    5,585.76x = 28,369,770.12
  5. Step 5: Solve for x
    x = 28,369,770.12/5,585.76
  6. Step 6: Final answer
    x = 5,078.95

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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.