Home / 7,246.40-10,871.04-2,629.76

Finding the Fourth Proportional to 7,246.40, 10,871.04 and 2,629.76

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Solution

The fourth proportional to 7,246.40, 10,871.04 and 2,629.76 is: 3,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.40 : 10,871.04 = 2,629.76 : x
  2. Step 2: Convert to fraction form
    7,246.40/10,871.04 = 2,629.76/x
  3. Step 3: Cross multiply
    7,246.40x = 10,871.04 × 2,629.76
  4. Step 4: Simplify right side
    7,246.40x = 28,588,226.15
  5. Step 5: Solve for x
    x = 28,588,226.15/7,246.40
  6. Step 6: Final answer
    x = 3,945.16

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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.