Home / 6,871.06-10,307.40-2,189.42

Finding the Fourth Proportional to 6,871.06, 10,307.40 and 2,189.42

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Solution

The fourth proportional to 6,871.06, 10,307.40 and 2,189.42 is: 3,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.06 : 10,307.40 = 2,189.42 : x
  2. Step 2: Convert to fraction form
    6,871.06/10,307.40 = 2,189.42/x
  3. Step 3: Cross multiply
    6,871.06x = 10,307.40 × 2,189.42
  4. Step 4: Simplify right side
    6,871.06x = 22,567,227.71
  5. Step 5: Solve for x
    x = 22,567,227.71/6,871.06
  6. Step 6: Final answer
    x = 3,284.39

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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.