Home / 7,237.36-10,854.82-3,287.40

Finding the Fourth Proportional to 7,237.36, 10,854.82 and 3,287.40

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Solution

The fourth proportional to 7,237.36, 10,854.82 and 3,287.40 is: 4,930.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.36 : 10,854.82 = 3,287.40 : x
  2. Step 2: Convert to fraction form
    7,237.36/10,854.82 = 3,287.40/x
  3. Step 3: Cross multiply
    7,237.36x = 10,854.82 × 3,287.40
  4. Step 4: Simplify right side
    7,237.36x = 35,684,135.27
  5. Step 5: Solve for x
    x = 35,684,135.27/7,237.36
  6. Step 6: Final answer
    x = 4,930.55

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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.