Home / 7,489.87-11,237.40-3,330.25

Finding the Fourth Proportional to 7,489.87, 11,237.40 and 3,330.25

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Solution

The fourth proportional to 7,489.87, 11,237.40 and 3,330.25 is: 4,996.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.87 : 11,237.40 = 3,330.25 : x
  2. Step 2: Convert to fraction form
    7,489.87/11,237.40 = 3,330.25/x
  3. Step 3: Cross multiply
    7,489.87x = 11,237.40 × 3,330.25
  4. Step 4: Simplify right side
    7,489.87x = 37,423,323.26
  5. Step 5: Solve for x
    x = 37,423,323.26/7,489.87
  6. Step 6: Final answer
    x = 4,996.53

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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.