Home / 6,217.96-8,578.86-3,528.74

Finding the Fourth Proportional to 6,217.96, 8,578.86 and 3,528.74

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Solution

The fourth proportional to 6,217.96, 8,578.86 and 3,528.74 is: 4,868.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,217.96 : 8,578.86 = 3,528.74 : x
  2. Step 2: Convert to fraction form
    6,217.96/8,578.86 = 3,528.74/x
  3. Step 3: Cross multiply
    6,217.96x = 8,578.86 × 3,528.74
  4. Step 4: Simplify right side
    6,217.96x = 30,272,566.44
  5. Step 5: Solve for x
    x = 30,272,566.44/6,217.96
  6. Step 6: Final answer
    x = 4,868.57

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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.