Home / 4,967.20-7,451.92-1,680.08

Finding the Fourth Proportional to 4,967.20, 7,451.92 and 1,680.08

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Solution

The fourth proportional to 4,967.20, 7,451.92 and 1,680.08 is: 2,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.20 : 7,451.92 = 1,680.08 : x
  2. Step 2: Convert to fraction form
    4,967.20/7,451.92 = 1,680.08/x
  3. Step 3: Cross multiply
    4,967.20x = 7,451.92 × 1,680.08
  4. Step 4: Simplify right side
    4,967.20x = 12,519,821.75
  5. Step 5: Solve for x
    x = 12,519,821.75/4,967.20
  6. Step 6: Final answer
    x = 2,520.50

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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.