Home / 6,680.20-9,217.02-4,319.50

Finding the Fourth Proportional to 6,680.20, 9,217.02 and 4,319.50

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Solution

The fourth proportional to 6,680.20, 9,217.02 and 4,319.50 is: 5,959.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.20 : 9,217.02 = 4,319.50 : x
  2. Step 2: Convert to fraction form
    6,680.20/9,217.02 = 4,319.50/x
  3. Step 3: Cross multiply
    6,680.20x = 9,217.02 × 4,319.50
  4. Step 4: Simplify right side
    6,680.20x = 39,812,917.89
  5. Step 5: Solve for x
    x = 39,812,917.89/6,680.20
  6. Step 6: Final answer
    x = 5,959.84

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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.