Home / 6,222.25-8,587.11-4,126.78

Finding the Fourth Proportional to 6,222.25, 8,587.11 and 4,126.78

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Solution

The fourth proportional to 6,222.25, 8,587.11 and 4,126.78 is: 5,695.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,222.25 : 8,587.11 = 4,126.78 : x
  2. Step 2: Convert to fraction form
    6,222.25/8,587.11 = 4,126.78/x
  3. Step 3: Cross multiply
    6,222.25x = 8,587.11 × 4,126.78
  4. Step 4: Simplify right side
    6,222.25x = 35,437,113.81
  5. Step 5: Solve for x
    x = 35,437,113.81/6,222.25
  6. Step 6: Final answer
    x = 5,695.23

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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.