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Finding the Fourth Proportional to 7,480.85, 10,324.25 and 4,124.13

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Solution

The fourth proportional to 7,480.85, 10,324.25 and 4,124.13 is: 5,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,480.85 : 10,324.25 = 4,124.13 : x
  2. Step 2: Convert to fraction form
    7,480.85/10,324.25 = 4,124.13/x
  3. Step 3: Cross multiply
    7,480.85x = 10,324.25 × 4,124.13
  4. Step 4: Simplify right side
    7,480.85x = 42,578,528.53
  5. Step 5: Solve for x
    x = 42,578,528.53/7,480.85
  6. Step 6: Final answer
    x = 5,691.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.