Home / 4,620.80-6,932.04-2,430.20

Finding the Fourth Proportional to 4,620.80, 6,932.04 and 2,430.20

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Solution

The fourth proportional to 4,620.80, 6,932.04 and 2,430.20 is: 3,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.80 : 6,932.04 = 2,430.20 : x
  2. Step 2: Convert to fraction form
    4,620.80/6,932.04 = 2,430.20/x
  3. Step 3: Cross multiply
    4,620.80x = 6,932.04 × 2,430.20
  4. Step 4: Simplify right side
    4,620.80x = 16,846,243.61
  5. Step 5: Solve for x
    x = 16,846,243.61/4,620.80
  6. Step 6: Final answer
    x = 3,645.74

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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.