Home / 4,279.48-5,903.20-3,103.36

Finding the Fourth Proportional to 4,279.48, 5,903.20 and 3,103.36

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Solution

The fourth proportional to 4,279.48, 5,903.20 and 3,103.36 is: 4,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.48 : 5,903.20 = 3,103.36 : x
  2. Step 2: Convert to fraction form
    4,279.48/5,903.20 = 3,103.36/x
  3. Step 3: Cross multiply
    4,279.48x = 5,903.20 × 3,103.36
  4. Step 4: Simplify right side
    4,279.48x = 18,319,754.75
  5. Step 5: Solve for x
    x = 18,319,754.75/4,279.48
  6. Step 6: Final answer
    x = 4,280.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.