Home / 4,162.91-6,244.67-1,389.57

Finding the Fourth Proportional to 4,162.91, 6,244.67 and 1,389.57

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Solution

The fourth proportional to 4,162.91, 6,244.67 and 1,389.57 is: 2,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.91 : 6,244.67 = 1,389.57 : x
  2. Step 2: Convert to fraction form
    4,162.91/6,244.67 = 1,389.57/x
  3. Step 3: Cross multiply
    4,162.91x = 6,244.67 × 1,389.57
  4. Step 4: Simplify right side
    4,162.91x = 8,677,399.14
  5. Step 5: Solve for x
    x = 8,677,399.14/4,162.91
  6. Step 6: Final answer
    x = 2,084.46

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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.