Home / 5,287.32-7,930.98-3,236.76

Finding the Fourth Proportional to 5,287.32, 7,930.98 and 3,236.76

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Solution

The fourth proportional to 5,287.32, 7,930.98 and 3,236.76 is: 4,855.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.32 : 7,930.98 = 3,236.76 : x
  2. Step 2: Convert to fraction form
    5,287.32/7,930.98 = 3,236.76/x
  3. Step 3: Cross multiply
    5,287.32x = 7,930.98 × 3,236.76
  4. Step 4: Simplify right side
    5,287.32x = 25,670,678.82
  5. Step 5: Solve for x
    x = 25,670,678.82/5,287.32
  6. Step 6: Final answer
    x = 4,855.14

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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.