Home / 6,899.04-10,348.53-3,200.78

Finding the Fourth Proportional to 6,899.04, 10,348.53 and 3,200.78

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Solution

The fourth proportional to 6,899.04, 10,348.53 and 3,200.78 is: 4,801.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.04 : 10,348.53 = 3,200.78 : x
  2. Step 2: Convert to fraction form
    6,899.04/10,348.53 = 3,200.78/x
  3. Step 3: Cross multiply
    6,899.04x = 10,348.53 × 3,200.78
  4. Step 4: Simplify right side
    6,899.04x = 33,123,316.11
  5. Step 5: Solve for x
    x = 33,123,316.11/6,899.04
  6. Step 6: Final answer
    x = 4,801.15

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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.