Home / 4,948.68-6,829.20-2,680.05

Finding the Fourth Proportional to 4,948.68, 6,829.20 and 2,680.05

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Solution

The fourth proportional to 4,948.68, 6,829.20 and 2,680.05 is: 3,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.68 : 6,829.20 = 2,680.05 : x
  2. Step 2: Convert to fraction form
    4,948.68/6,829.20 = 2,680.05/x
  3. Step 3: Cross multiply
    4,948.68x = 6,829.20 × 2,680.05
  4. Step 4: Simplify right side
    4,948.68x = 18,302,597.46
  5. Step 5: Solve for x
    x = 18,302,597.46/4,948.68
  6. Step 6: Final answer
    x = 3,698.48

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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.