Home / 8,864.40-13,296.60-3,670.28

Finding the Fourth Proportional to 8,864.40, 13,296.60 and 3,670.28

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Solution

The fourth proportional to 8,864.40, 13,296.60 and 3,670.28 is: 5,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.40 : 13,296.60 = 3,670.28 : x
  2. Step 2: Convert to fraction form
    8,864.40/13,296.60 = 3,670.28/x
  3. Step 3: Cross multiply
    8,864.40x = 13,296.60 × 3,670.28
  4. Step 4: Simplify right side
    8,864.40x = 48,802,178.57
  5. Step 5: Solve for x
    x = 48,802,178.57/8,864.40
  6. Step 6: Final answer
    x = 5,505.41

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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.