Home / 6,243.95-8,618.46-4,121.03

Finding the Fourth Proportional to 6,243.95, 8,618.46 and 4,121.03

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Solution

The fourth proportional to 6,243.95, 8,618.46 and 4,121.03 is: 5,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.95 : 8,618.46 = 4,121.03 : x
  2. Step 2: Convert to fraction form
    6,243.95/8,618.46 = 4,121.03/x
  3. Step 3: Cross multiply
    6,243.95x = 8,618.46 × 4,121.03
  4. Step 4: Simplify right side
    6,243.95x = 35,516,932.21
  5. Step 5: Solve for x
    x = 35,516,932.21/6,243.95
  6. Step 6: Final answer
    x = 5,688.22

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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.