Home / 5,229.64-7,215.65-2,961.03

Finding the Fourth Proportional to 5,229.64, 7,215.65 and 2,961.03

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Solution

The fourth proportional to 5,229.64, 7,215.65 and 2,961.03 is: 4,085.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.64 : 7,215.65 = 2,961.03 : x
  2. Step 2: Convert to fraction form
    5,229.64/7,215.65 = 2,961.03/x
  3. Step 3: Cross multiply
    5,229.64x = 7,215.65 × 2,961.03
  4. Step 4: Simplify right side
    5,229.64x = 21,365,756.12
  5. Step 5: Solve for x
    x = 21,365,756.12/5,229.64
  6. Step 6: Final answer
    x = 4,085.51

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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.