Home / 6,482.12-9,722.10-2,102.72

Finding the Fourth Proportional to 6,482.12, 9,722.10 and 2,102.72

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Solution

The fourth proportional to 6,482.12, 9,722.10 and 2,102.72 is: 3,153.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.12 : 9,722.10 = 2,102.72 : x
  2. Step 2: Convert to fraction form
    6,482.12/9,722.10 = 2,102.72/x
  3. Step 3: Cross multiply
    6,482.12x = 9,722.10 × 2,102.72
  4. Step 4: Simplify right side
    6,482.12x = 20,442,854.11
  5. Step 5: Solve for x
    x = 20,442,854.11/6,482.12
  6. Step 6: Final answer
    x = 3,153.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.