Home / 7,515.60-11,273.42-3,133

Finding the Fourth Proportional to 7,515.60, 11,273.42 and 3,133

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Solution

The fourth proportional to 7,515.60, 11,273.42 and 3,133 is: 4,699.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.60 : 11,273.42 = 3,133 : x
  2. Step 2: Convert to fraction form
    7,515.60/11,273.42 = 3,133/x
  3. Step 3: Cross multiply
    7,515.60x = 11,273.42 × 3,133
  4. Step 4: Simplify right side
    7,515.60x = 35,319,624.86
  5. Step 5: Solve for x
    x = 35,319,624.86/7,515.60
  6. Step 6: Final answer
    x = 4,699.51

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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.