Home / 4,920.60-7,370.10-3,816.30

Finding the Fourth Proportional to 4,920.60, 7,370.10 and 3,816.30

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Solution

The fourth proportional to 4,920.60, 7,370.10 and 3,816.30 is: 5,716.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.60 : 7,370.10 = 3,816.30 : x
  2. Step 2: Convert to fraction form
    4,920.60/7,370.10 = 3,816.30/x
  3. Step 3: Cross multiply
    4,920.60x = 7,370.10 × 3,816.30
  4. Step 4: Simplify right side
    4,920.60x = 28,126,512.63
  5. Step 5: Solve for x
    x = 28,126,512.63/4,920.60
  6. Step 6: Final answer
    x = 5,716.07

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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.