Home / 7,236.14-9,985.68-4,251.29

Finding the Fourth Proportional to 7,236.14, 9,985.68 and 4,251.29

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Solution

The fourth proportional to 7,236.14, 9,985.68 and 4,251.29 is: 5,866.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.14 : 9,985.68 = 4,251.29 : x
  2. Step 2: Convert to fraction form
    7,236.14/9,985.68 = 4,251.29/x
  3. Step 3: Cross multiply
    7,236.14x = 9,985.68 × 4,251.29
  4. Step 4: Simplify right side
    7,236.14x = 42,451,971.60
  5. Step 5: Solve for x
    x = 42,451,971.60/7,236.14
  6. Step 6: Final answer
    x = 5,866.66

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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.