Home / 7,479.20-11,215.23-4,360.11

Finding the Fourth Proportional to 7,479.20, 11,215.23 and 4,360.11

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Solution

The fourth proportional to 7,479.20, 11,215.23 and 4,360.11 is: 6,538.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.20 : 11,215.23 = 4,360.11 : x
  2. Step 2: Convert to fraction form
    7,479.20/11,215.23 = 4,360.11/x
  3. Step 3: Cross multiply
    7,479.20x = 11,215.23 × 4,360.11
  4. Step 4: Simplify right side
    7,479.20x = 48,899,578.07
  5. Step 5: Solve for x
    x = 48,899,578.07/7,479.20
  6. Step 6: Final answer
    x = 6,538.07

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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.