Home / 6,871.76-10,307.61-3,591.26

Finding the Fourth Proportional to 6,871.76, 10,307.61 and 3,591.26

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Solution

The fourth proportional to 6,871.76, 10,307.61 and 3,591.26 is: 5,386.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,871.76 : 10,307.61 = 3,591.26 : x
  2. Step 2: Convert to fraction form
    6,871.76/10,307.61 = 3,591.26/x
  3. Step 3: Cross multiply
    6,871.76x = 10,307.61 × 3,591.26
  4. Step 4: Simplify right side
    6,871.76x = 37,017,255.95
  5. Step 5: Solve for x
    x = 37,017,255.95/6,871.76
  6. Step 6: Final answer
    x = 5,386.87

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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.