Home / 5,538.20-7,653.03-4,282.70

Finding the Fourth Proportional to 5,538.20, 7,653.03 and 4,282.70

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Solution

The fourth proportional to 5,538.20, 7,653.03 and 4,282.70 is: 5,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.20 : 7,653.03 = 4,282.70 : x
  2. Step 2: Convert to fraction form
    5,538.20/7,653.03 = 4,282.70/x
  3. Step 3: Cross multiply
    5,538.20x = 7,653.03 × 4,282.70
  4. Step 4: Simplify right side
    5,538.20x = 32,775,631.58
  5. Step 5: Solve for x
    x = 32,775,631.58/5,538.20
  6. Step 6: Final answer
    x = 5,918.10

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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.