Home / 9,113.76-13,670.64-3,272.08

Finding the Fourth Proportional to 9,113.76, 13,670.64 and 3,272.08

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Solution

The fourth proportional to 9,113.76, 13,670.64 and 3,272.08 is: 4,908.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.76 : 13,670.64 = 3,272.08 : x
  2. Step 2: Convert to fraction form
    9,113.76/13,670.64 = 3,272.08/x
  3. Step 3: Cross multiply
    9,113.76x = 13,670.64 × 3,272.08
  4. Step 4: Simplify right side
    9,113.76x = 44,731,427.73
  5. Step 5: Solve for x
    x = 44,731,427.73/9,113.76
  6. Step 6: Final answer
    x = 4,908.12

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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.