Home / 7,470.62-11,202.28-4,351.72

Finding the Fourth Proportional to 7,470.62, 11,202.28 and 4,351.72

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Solution

The fourth proportional to 7,470.62, 11,202.28 and 4,351.72 is: 6,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.62 : 11,202.28 = 4,351.72 : x
  2. Step 2: Convert to fraction form
    7,470.62/11,202.28 = 4,351.72/x
  3. Step 3: Cross multiply
    7,470.62x = 11,202.28 × 4,351.72
  4. Step 4: Simplify right side
    7,470.62x = 48,749,185.92
  5. Step 5: Solve for x
    x = 48,749,185.92/7,470.62
  6. Step 6: Final answer
    x = 6,525.45

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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.