Home / 7,242.48-10,865.18-2,563.76

Finding the Fourth Proportional to 7,242.48, 10,865.18 and 2,563.76

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Solution

The fourth proportional to 7,242.48, 10,865.18 and 2,563.76 is: 3,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.48 : 10,865.18 = 2,563.76 : x
  2. Step 2: Convert to fraction form
    7,242.48/10,865.18 = 2,563.76/x
  3. Step 3: Cross multiply
    7,242.48x = 10,865.18 × 2,563.76
  4. Step 4: Simplify right side
    7,242.48x = 27,855,713.88
  5. Step 5: Solve for x
    x = 27,855,713.88/7,242.48
  6. Step 6: Final answer
    x = 3,846.16

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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.