Home / 7,432.05-11,147.16-4,313.75

Finding the Fourth Proportional to 7,432.05, 11,147.16 and 4,313.75

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Solution

The fourth proportional to 7,432.05, 11,147.16 and 4,313.75 is: 6,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.05 : 11,147.16 = 4,313.75 : x
  2. Step 2: Convert to fraction form
    7,432.05/11,147.16 = 4,313.75/x
  3. Step 3: Cross multiply
    7,432.05x = 11,147.16 × 4,313.75
  4. Step 4: Simplify right side
    7,432.05x = 48,086,061.45
  5. Step 5: Solve for x
    x = 48,086,061.45/7,432.05
  6. Step 6: Final answer
    x = 6,470.09

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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.