Home / 4,399.34-6,599.66-1,278.95

Finding the Fourth Proportional to 4,399.34, 6,599.66 and 1,278.95

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Solution

The fourth proportional to 4,399.34, 6,599.66 and 1,278.95 is: 1,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.34 : 6,599.66 = 1,278.95 : x
  2. Step 2: Convert to fraction form
    4,399.34/6,599.66 = 1,278.95/x
  3. Step 3: Cross multiply
    4,399.34x = 6,599.66 × 1,278.95
  4. Step 4: Simplify right side
    4,399.34x = 8,440,605.36
  5. Step 5: Solve for x
    x = 8,440,605.36/4,399.34
  6. Step 6: Final answer
    x = 1,918.61

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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.