Home / 4,280.31-6,415.16-2,425.81

Finding the Fourth Proportional to 4,280.31, 6,415.16 and 2,425.81

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Solution

The fourth proportional to 4,280.31, 6,415.16 and 2,425.81 is: 3,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.31 : 6,415.16 = 2,425.81 : x
  2. Step 2: Convert to fraction form
    4,280.31/6,415.16 = 2,425.81/x
  3. Step 3: Cross multiply
    4,280.31x = 6,415.16 × 2,425.81
  4. Step 4: Simplify right side
    4,280.31x = 15,561,959.28
  5. Step 5: Solve for x
    x = 15,561,959.28/4,280.31
  6. Step 6: Final answer
    x = 3,635.71

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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.