Home / 9,234.29-13,857.50-3,390.95

Finding the Fourth Proportional to 9,234.29, 13,857.50 and 3,390.95

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Solution

The fourth proportional to 9,234.29, 13,857.50 and 3,390.95 is: 5,088.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,234.29 : 13,857.50 = 3,390.95 : x
  2. Step 2: Convert to fraction form
    9,234.29/13,857.50 = 3,390.95/x
  3. Step 3: Cross multiply
    9,234.29x = 13,857.50 × 3,390.95
  4. Step 4: Simplify right side
    9,234.29x = 46,990,028.81
  5. Step 5: Solve for x
    x = 46,990,028.81/9,234.29
  6. Step 6: Final answer
    x = 5,088.65

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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.