Home / 4,457.80-6,680.30-3,278.60

Finding the Fourth Proportional to 4,457.80, 6,680.30 and 3,278.60

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Solution

The fourth proportional to 4,457.80, 6,680.30 and 3,278.60 is: 4,913.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.80 : 6,680.30 = 3,278.60 : x
  2. Step 2: Convert to fraction form
    4,457.80/6,680.30 = 3,278.60/x
  3. Step 3: Cross multiply
    4,457.80x = 6,680.30 × 3,278.60
  4. Step 4: Simplify right side
    4,457.80x = 21,902,031.58
  5. Step 5: Solve for x
    x = 21,902,031.58/4,457.80
  6. Step 6: Final answer
    x = 4,913.19

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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.