Home / 6,217.71-8,578.28-3,528.61

Finding the Fourth Proportional to 6,217.71, 8,578.28 and 3,528.61

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Solution

The fourth proportional to 6,217.71, 8,578.28 and 3,528.61 is: 4,868.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.71 : 8,578.28 = 3,528.61 : x
  2. Step 2: Convert to fraction form
    6,217.71/8,578.28 = 3,528.61/x
  3. Step 3: Cross multiply
    6,217.71x = 8,578.28 × 3,528.61
  4. Step 4: Simplify right side
    6,217.71x = 30,269,386.95
  5. Step 5: Solve for x
    x = 30,269,386.95/6,217.71
  6. Step 6: Final answer
    x = 4,868.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.