Home / 7,368.40-11,052.60-3,207.70

Finding the Fourth Proportional to 7,368.40, 11,052.60 and 3,207.70

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Solution

The fourth proportional to 7,368.40, 11,052.60 and 3,207.70 is: 4,811.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,368.40 : 11,052.60 = 3,207.70 : x
  2. Step 2: Convert to fraction form
    7,368.40/11,052.60 = 3,207.70/x
  3. Step 3: Cross multiply
    7,368.40x = 11,052.60 × 3,207.70
  4. Step 4: Simplify right side
    7,368.40x = 35,453,425.02
  5. Step 5: Solve for x
    x = 35,453,425.02/7,368.40
  6. Step 6: Final answer
    x = 4,811.55

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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.