Home / 6,347.81-9,511.25-2,185.55

Finding the Fourth Proportional to 6,347.81, 9,511.25 and 2,185.55

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Solution

The fourth proportional to 6,347.81, 9,511.25 and 2,185.55 is: 3,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.81 : 9,511.25 = 2,185.55 : x
  2. Step 2: Convert to fraction form
    6,347.81/9,511.25 = 2,185.55/x
  3. Step 3: Cross multiply
    6,347.81x = 9,511.25 × 2,185.55
  4. Step 4: Simplify right side
    6,347.81x = 20,787,325.29
  5. Step 5: Solve for x
    x = 20,787,325.29/6,347.81
  6. Step 6: Final answer
    x = 3,274.73

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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.