Home / 4,903.20-7,353.72-3,142.92

Finding the Fourth Proportional to 4,903.20, 7,353.72 and 3,142.92

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Solution

The fourth proportional to 4,903.20, 7,353.72 and 3,142.92 is: 4,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.20 : 7,353.72 = 3,142.92 : x
  2. Step 2: Convert to fraction form
    4,903.20/7,353.72 = 3,142.92/x
  3. Step 3: Cross multiply
    4,903.20x = 7,353.72 × 3,142.92
  4. Step 4: Simplify right side
    4,903.20x = 23,112,153.66
  5. Step 5: Solve for x
    x = 23,112,153.66/4,903.20
  6. Step 6: Final answer
    x = 4,713.69

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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.