Home / 9,113.60-13,679.20-4,734.08

Finding the Fourth Proportional to 9,113.60, 13,679.20 and 4,734.08

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Solution

The fourth proportional to 9,113.60, 13,679.20 and 4,734.08 is: 7,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.60 : 13,679.20 = 4,734.08 : x
  2. Step 2: Convert to fraction form
    9,113.60/13,679.20 = 4,734.08/x
  3. Step 3: Cross multiply
    9,113.60x = 13,679.20 × 4,734.08
  4. Step 4: Simplify right side
    9,113.60x = 64,758,427.14
  5. Step 5: Solve for x
    x = 64,758,427.14/9,113.60
  6. Step 6: Final answer
    x = 7,105.69

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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.