Home / 7,158.48-10,739.20-2,775.92

Finding the Fourth Proportional to 7,158.48, 10,739.20 and 2,775.92

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Solution

The fourth proportional to 7,158.48, 10,739.20 and 2,775.92 is: 4,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.48 : 10,739.20 = 2,775.92 : x
  2. Step 2: Convert to fraction form
    7,158.48/10,739.20 = 2,775.92/x
  3. Step 3: Cross multiply
    7,158.48x = 10,739.20 × 2,775.92
  4. Step 4: Simplify right side
    7,158.48x = 29,811,160.06
  5. Step 5: Solve for x
    x = 29,811,160.06/7,158.48
  6. Step 6: Final answer
    x = 4,164.45

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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.