Home / 5,242.10-7,234.54-2,884.58

Finding the Fourth Proportional to 5,242.10, 7,234.54 and 2,884.58

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Solution

The fourth proportional to 5,242.10, 7,234.54 and 2,884.58 is: 3,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.10 : 7,234.54 = 2,884.58 : x
  2. Step 2: Convert to fraction form
    5,242.10/7,234.54 = 2,884.58/x
  3. Step 3: Cross multiply
    5,242.10x = 7,234.54 × 2,884.58
  4. Step 4: Simplify right side
    5,242.10x = 20,868,609.39
  5. Step 5: Solve for x
    x = 20,868,609.39/5,242.10
  6. Step 6: Final answer
    x = 3,980.96

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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.