Home / 7,904.20-10,908.18-4,367.80

Finding the Fourth Proportional to 7,904.20, 10,908.18 and 4,367.80

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Solution

The fourth proportional to 7,904.20, 10,908.18 and 4,367.80 is: 6,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.20 : 10,908.18 = 4,367.80 : x
  2. Step 2: Convert to fraction form
    7,904.20/10,908.18 = 4,367.80/x
  3. Step 3: Cross multiply
    7,904.20x = 10,908.18 × 4,367.80
  4. Step 4: Simplify right side
    7,904.20x = 47,644,748.60
  5. Step 5: Solve for x
    x = 47,644,748.60/7,904.20
  6. Step 6: Final answer
    x = 6,027.78

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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.