Home / 6,278.74-9,406.63-2,940.86

Finding the Fourth Proportional to 6,278.74, 9,406.63 and 2,940.86

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Solution

The fourth proportional to 6,278.74, 9,406.63 and 2,940.86 is: 4,405.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.74 : 9,406.63 = 2,940.86 : x
  2. Step 2: Convert to fraction form
    6,278.74/9,406.63 = 2,940.86/x
  3. Step 3: Cross multiply
    6,278.74x = 9,406.63 × 2,940.86
  4. Step 4: Simplify right side
    6,278.74x = 27,663,581.90
  5. Step 5: Solve for x
    x = 27,663,581.90/6,278.74
  6. Step 6: Final answer
    x = 4,405.91

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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.