Home / 7,165.23-10,747.78-3,899.08

Finding the Fourth Proportional to 7,165.23, 10,747.78 and 3,899.08

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Solution

The fourth proportional to 7,165.23, 10,747.78 and 3,899.08 is: 5,848.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165.23 : 10,747.78 = 3,899.08 : x
  2. Step 2: Convert to fraction form
    7,165.23/10,747.78 = 3,899.08/x
  3. Step 3: Cross multiply
    7,165.23x = 10,747.78 × 3,899.08
  4. Step 4: Simplify right side
    7,165.23x = 41,906,454.04
  5. Step 5: Solve for x
    x = 41,906,454.04/7,165.23
  6. Step 6: Final answer
    x = 5,848.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.