Home / 6,140.10-9,216.09-3,677.70

Finding the Fourth Proportional to 6,140.10, 9,216.09 and 3,677.70

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Solution

The fourth proportional to 6,140.10, 9,216.09 and 3,677.70 is: 5,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.10 : 9,216.09 = 3,677.70 : x
  2. Step 2: Convert to fraction form
    6,140.10/9,216.09 = 3,677.70/x
  3. Step 3: Cross multiply
    6,140.10x = 9,216.09 × 3,677.70
  4. Step 4: Simplify right side
    6,140.10x = 33,894,014.19
  5. Step 5: Solve for x
    x = 33,894,014.19/6,140.10
  6. Step 6: Final answer
    x = 5,520.11

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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.