Home / 5,182.80-7,152.28-2,824.96

Finding the Fourth Proportional to 5,182.80, 7,152.28 and 2,824.96

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Solution

The fourth proportional to 5,182.80, 7,152.28 and 2,824.96 is: 3,898.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.80 : 7,152.28 = 2,824.96 : x
  2. Step 2: Convert to fraction form
    5,182.80/7,152.28 = 2,824.96/x
  3. Step 3: Cross multiply
    5,182.80x = 7,152.28 × 2,824.96
  4. Step 4: Simplify right side
    5,182.80x = 20,204,904.91
  5. Step 5: Solve for x
    x = 20,204,904.91/5,182.80
  6. Step 6: Final answer
    x = 3,898.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.