Home / 7,108.85-10,663.28-1,914.73

Finding the Fourth Proportional to 7,108.85, 10,663.28 and 1,914.73

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Solution

The fourth proportional to 7,108.85, 10,663.28 and 1,914.73 is: 2,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.85 : 10,663.28 = 1,914.73 : x
  2. Step 2: Convert to fraction form
    7,108.85/10,663.28 = 1,914.73/x
  3. Step 3: Cross multiply
    7,108.85x = 10,663.28 × 1,914.73
  4. Step 4: Simplify right side
    7,108.85x = 20,417,302.11
  5. Step 5: Solve for x
    x = 20,417,302.11/7,108.85
  6. Step 6: Final answer
    x = 2,872.10

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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.