Home / 4,278.07-6,427.47-4,042.05

Finding the Fourth Proportional to 4,278.07, 6,427.47 and 4,042.05

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Solution

The fourth proportional to 4,278.07, 6,427.47 and 4,042.05 is: 6,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.07 : 6,427.47 = 4,042.05 : x
  2. Step 2: Convert to fraction form
    4,278.07/6,427.47 = 4,042.05/x
  3. Step 3: Cross multiply
    4,278.07x = 6,427.47 × 4,042.05
  4. Step 4: Simplify right side
    4,278.07x = 25,980,155.11
  5. Step 5: Solve for x
    x = 25,980,155.11/4,278.07
  6. Step 6: Final answer
    x = 6,072.88

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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.