Home / 7,844.46-10,824.68-4,486.72

Finding the Fourth Proportional to 7,844.46, 10,824.68 and 4,486.72

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Solution

The fourth proportional to 7,844.46, 10,824.68 and 4,486.72 is: 6,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.46 : 10,824.68 = 4,486.72 : x
  2. Step 2: Convert to fraction form
    7,844.46/10,824.68 = 4,486.72/x
  3. Step 3: Cross multiply
    7,844.46x = 10,824.68 × 4,486.72
  4. Step 4: Simplify right side
    7,844.46x = 48,567,308.25
  5. Step 5: Solve for x
    x = 48,567,308.25/7,844.46
  6. Step 6: Final answer
    x = 6,191.29

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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.