Home / 4,967.10-7,451.46-1,680.39

Finding the Fourth Proportional to 4,967.10, 7,451.46 and 1,680.39

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Solution

The fourth proportional to 4,967.10, 7,451.46 and 1,680.39 is: 2,520.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,967.10 : 7,451.46 = 1,680.39 : x
  2. Step 2: Convert to fraction form
    4,967.10/7,451.46 = 1,680.39/x
  3. Step 3: Cross multiply
    4,967.10x = 7,451.46 × 1,680.39
  4. Step 4: Simplify right side
    4,967.10x = 12,521,358.87
  5. Step 5: Solve for x
    x = 12,521,358.87/4,967.10
  6. Step 6: Final answer
    x = 2,520.86

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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.