Home / 6,278.02-9,400.08-3,935.22

Finding the Fourth Proportional to 6,278.02, 9,400.08 and 3,935.22

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Solution

The fourth proportional to 6,278.02, 9,400.08 and 3,935.22 is: 5,892.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.02 : 9,400.08 = 3,935.22 : x
  2. Step 2: Convert to fraction form
    6,278.02/9,400.08 = 3,935.22/x
  3. Step 3: Cross multiply
    6,278.02x = 9,400.08 × 3,935.22
  4. Step 4: Simplify right side
    6,278.02x = 36,991,382.82
  5. Step 5: Solve for x
    x = 36,991,382.82/6,278.02
  6. Step 6: Final answer
    x = 5,892.21

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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.