Home / 4,680.20-6,459.21-2,690.03

Finding the Fourth Proportional to 4,680.20, 6,459.21 and 2,690.03

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Solution

The fourth proportional to 4,680.20, 6,459.21 and 2,690.03 is: 3,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.20 : 6,459.21 = 2,690.03 : x
  2. Step 2: Convert to fraction form
    4,680.20/6,459.21 = 2,690.03/x
  3. Step 3: Cross multiply
    4,680.20x = 6,459.21 × 2,690.03
  4. Step 4: Simplify right side
    4,680.20x = 17,375,436.38
  5. Step 5: Solve for x
    x = 17,375,436.38/4,680.20
  6. Step 6: Final answer
    x = 3,712.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.