Home / 7,517.70-11,284.65-4,237.20

Finding the Fourth Proportional to 7,517.70, 11,284.65 and 4,237.20

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Solution

The fourth proportional to 7,517.70, 11,284.65 and 4,237.20 is: 6,360.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.70 : 11,284.65 = 4,237.20 : x
  2. Step 2: Convert to fraction form
    7,517.70/11,284.65 = 4,237.20/x
  3. Step 3: Cross multiply
    7,517.70x = 11,284.65 × 4,237.20
  4. Step 4: Simplify right side
    7,517.70x = 47,815,318.98
  5. Step 5: Solve for x
    x = 47,815,318.98/7,517.70
  6. Step 6: Final answer
    x = 6,360.37

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1.5x scale

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.