Home / 7,509.20-11,274.60-5,673.20

Finding the Fourth Proportional to 7,509.20, 11,274.60 and 5,673.20

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Solution

The fourth proportional to 7,509.20, 11,274.60 and 5,673.20 is: 8,517.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.20 : 11,274.60 = 5,673.20 : x
  2. Step 2: Convert to fraction form
    7,509.20/11,274.60 = 5,673.20/x
  3. Step 3: Cross multiply
    7,509.20x = 11,274.60 × 5,673.20
  4. Step 4: Simplify right side
    7,509.20x = 63,963,060.72
  5. Step 5: Solve for x
    x = 63,963,060.72/7,509.20
  6. Step 6: Final answer
    x = 8,517.96

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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.