Home / 8,964.78-13,440.56-6,036.90

Finding the Fourth Proportional to 8,964.78, 13,440.56 and 6,036.90

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Solution

The fourth proportional to 8,964.78, 13,440.56 and 6,036.90 is: 9,050.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.78 : 13,440.56 = 6,036.90 : x
  2. Step 2: Convert to fraction form
    8,964.78/13,440.56 = 6,036.90/x
  3. Step 3: Cross multiply
    8,964.78x = 13,440.56 × 6,036.90
  4. Step 4: Simplify right side
    8,964.78x = 81,139,286.48
  5. Step 5: Solve for x
    x = 81,139,286.48/8,964.78
  6. Step 6: Final answer
    x = 9,050.90

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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.