Home / 6,808.68-10,211.85-1,877.49

Finding the Fourth Proportional to 6,808.68, 10,211.85 and 1,877.49

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Solution

The fourth proportional to 6,808.68, 10,211.85 and 1,877.49 is: 2,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.68 : 10,211.85 = 1,877.49 : x
  2. Step 2: Convert to fraction form
    6,808.68/10,211.85 = 1,877.49/x
  3. Step 3: Cross multiply
    6,808.68x = 10,211.85 × 1,877.49
  4. Step 4: Simplify right side
    6,808.68x = 19,172,646.26
  5. Step 5: Solve for x
    x = 19,172,646.26/6,808.68
  6. Step 6: Final answer
    x = 2,815.91

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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.