Home / 5,182.80-7,152.21-2,824.89

Finding the Fourth Proportional to 5,182.80, 7,152.21 and 2,824.89

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Solution

The fourth proportional to 5,182.80, 7,152.21 and 2,824.89 is: 3,898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.80 : 7,152.21 = 2,824.89 : x
  2. Step 2: Convert to fraction form
    5,182.80/7,152.21 = 2,824.89/x
  3. Step 3: Cross multiply
    5,182.80x = 7,152.21 × 2,824.89
  4. Step 4: Simplify right side
    5,182.80x = 20,204,206.51
  5. Step 5: Solve for x
    x = 20,204,206.51/5,182.80
  6. Step 6: Final answer
    x = 3,898.32

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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.