Home / 6,434.97-9,655.47-2,278.12

Finding the Fourth Proportional to 6,434.97, 9,655.47 and 2,278.12

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Solution

The fourth proportional to 6,434.97, 9,655.47 and 2,278.12 is: 3,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.97 : 9,655.47 = 2,278.12 : x
  2. Step 2: Convert to fraction form
    6,434.97/9,655.47 = 2,278.12/x
  3. Step 3: Cross multiply
    6,434.97x = 9,655.47 × 2,278.12
  4. Step 4: Simplify right side
    6,434.97x = 21,996,319.32
  5. Step 5: Solve for x
    x = 21,996,319.32/6,434.97
  6. Step 6: Final answer
    x = 3,418.25

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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.