Home / 9,389.27-14,083.91-2,815.46

Finding the Fourth Proportional to 9,389.27, 14,083.91 and 2,815.46

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Solution

The fourth proportional to 9,389.27, 14,083.91 and 2,815.46 is: 4,223.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389.27 : 14,083.91 = 2,815.46 : x
  2. Step 2: Convert to fraction form
    9,389.27/14,083.91 = 2,815.46/x
  3. Step 3: Cross multiply
    9,389.27x = 14,083.91 × 2,815.46
  4. Step 4: Simplify right side
    9,389.27x = 39,652,685.25
  5. Step 5: Solve for x
    x = 39,652,685.25/9,389.27
  6. Step 6: Final answer
    x = 4,223.19

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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.