Home / 9,679.28-14,520.16-4,749.04

Finding the Fourth Proportional to 9,679.28, 14,520.16 and 4,749.04

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Solution

The fourth proportional to 9,679.28, 14,520.16 and 4,749.04 is: 7,124.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,679.28 : 14,520.16 = 4,749.04 : x
  2. Step 2: Convert to fraction form
    9,679.28/14,520.16 = 4,749.04/x
  3. Step 3: Cross multiply
    9,679.28x = 14,520.16 × 4,749.04
  4. Step 4: Simplify right side
    9,679.28x = 68,956,820.65
  5. Step 5: Solve for x
    x = 68,956,820.65/9,679.28
  6. Step 6: Final answer
    x = 7,124.17

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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.