Home / 4,163.79-6,244.32-1,389.69

Finding the Fourth Proportional to 4,163.79, 6,244.32 and 1,389.69

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Solution

The fourth proportional to 4,163.79, 6,244.32 and 1,389.69 is: 2,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.79 : 6,244.32 = 1,389.69 : x
  2. Step 2: Convert to fraction form
    4,163.79/6,244.32 = 1,389.69/x
  3. Step 3: Cross multiply
    4,163.79x = 6,244.32 × 1,389.69
  4. Step 4: Simplify right side
    4,163.79x = 8,677,669.06
  5. Step 5: Solve for x
    x = 8,677,669.06/4,163.79
  6. Step 6: Final answer
    x = 2,084.08

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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.