Home / 4,276.08-6,414.12-1,680.84

Finding the Fourth Proportional to 4,276.08, 6,414.12 and 1,680.84

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Solution

The fourth proportional to 4,276.08, 6,414.12 and 1,680.84 is: 2,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,276.08 : 6,414.12 = 1,680.84 : x
  2. Step 2: Convert to fraction form
    4,276.08/6,414.12 = 1,680.84/x
  3. Step 3: Cross multiply
    4,276.08x = 6,414.12 × 1,680.84
  4. Step 4: Simplify right side
    4,276.08x = 10,781,109.46
  5. Step 5: Solve for x
    x = 10,781,109.46/4,276.08
  6. Step 6: Final answer
    x = 2,521.26

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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.