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Finding the Fourth Proportional to 6,801.75, 10,200.90 and 1,871.13

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Solution

The fourth proportional to 6,801.75, 10,200.90 and 1,871.13 is: 2,806.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801.75 : 10,200.90 = 1,871.13 : x
  2. Step 2: Convert to fraction form
    6,801.75/10,200.90 = 1,871.13/x
  3. Step 3: Cross multiply
    6,801.75x = 10,200.90 × 1,871.13
  4. Step 4: Simplify right side
    6,801.75x = 19,087,210.02
  5. Step 5: Solve for x
    x = 19,087,210.02/6,801.75
  6. Step 6: Final answer
    x = 2,806.22

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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.