Home / 4,299.97-6,451.17-1,378.48

Finding the Fourth Proportional to 4,299.97, 6,451.17 and 1,378.48

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Solution

The fourth proportional to 4,299.97, 6,451.17 and 1,378.48 is: 2,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.97 : 6,451.17 = 1,378.48 : x
  2. Step 2: Convert to fraction form
    4,299.97/6,451.17 = 1,378.48/x
  3. Step 3: Cross multiply
    4,299.97x = 6,451.17 × 1,378.48
  4. Step 4: Simplify right side
    4,299.97x = 8,892,808.82
  5. Step 5: Solve for x
    x = 8,892,808.82/4,299.97
  6. Step 6: Final answer
    x = 2,068.11

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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.