Home / 6,538.20-9,022.16-3,886.24

Finding the Fourth Proportional to 6,538.20, 9,022.16 and 3,886.24

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Solution

The fourth proportional to 6,538.20, 9,022.16 and 3,886.24 is: 5,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,538.20 : 9,022.16 = 3,886.24 : x
  2. Step 2: Convert to fraction form
    6,538.20/9,022.16 = 3,886.24/x
  3. Step 3: Cross multiply
    6,538.20x = 9,022.16 × 3,886.24
  4. Step 4: Simplify right side
    6,538.20x = 35,062,279.08
  5. Step 5: Solve for x
    x = 35,062,279.08/6,538.20
  6. Step 6: Final answer
    x = 5,362.68

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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.