Home / 6,454.76-9,680.85-2,943.81

Finding the Fourth Proportional to 6,454.76, 9,680.85 and 2,943.81

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Solution

The fourth proportional to 6,454.76, 9,680.85 and 2,943.81 is: 4,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.76 : 9,680.85 = 2,943.81 : x
  2. Step 2: Convert to fraction form
    6,454.76/9,680.85 = 2,943.81/x
  3. Step 3: Cross multiply
    6,454.76x = 9,680.85 × 2,943.81
  4. Step 4: Simplify right side
    6,454.76x = 28,498,583.04
  5. Step 5: Solve for x
    x = 28,498,583.04/6,454.76
  6. Step 6: Final answer
    x = 4,415.13

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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.