Home / 4,949.04-7,427.18-3,986.76

Finding the Fourth Proportional to 4,949.04, 7,427.18 and 3,986.76

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Solution

The fourth proportional to 4,949.04, 7,427.18 and 3,986.76 is: 5,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.04 : 7,427.18 = 3,986.76 : x
  2. Step 2: Convert to fraction form
    4,949.04/7,427.18 = 3,986.76/x
  3. Step 3: Cross multiply
    4,949.04x = 7,427.18 × 3,986.76
  4. Step 4: Simplify right side
    4,949.04x = 29,610,384.14
  5. Step 5: Solve for x
    x = 29,610,384.14/4,949.04
  6. Step 6: Final answer
    x = 5,983.06

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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.