Home / 9,134.40-13,704.88-4,751.76

Finding the Fourth Proportional to 9,134.40, 13,704.88 and 4,751.76

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Solution

The fourth proportional to 9,134.40, 13,704.88 and 4,751.76 is: 7,129.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,134.40 : 13,704.88 = 4,751.76 : x
  2. Step 2: Convert to fraction form
    9,134.40/13,704.88 = 4,751.76/x
  3. Step 3: Cross multiply
    9,134.40x = 13,704.88 × 4,751.76
  4. Step 4: Simplify right side
    9,134.40x = 65,122,300.59
  5. Step 5: Solve for x
    x = 65,122,300.59/9,134.40
  6. Step 6: Final answer
    x = 7,129.35

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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.