Home / 9,778.40-14,667.62-2,382.86

Finding the Fourth Proportional to 9,778.40, 14,667.62 and 2,382.86

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Solution

The fourth proportional to 9,778.40, 14,667.62 and 2,382.86 is: 3,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.40 : 14,667.62 = 2,382.86 : x
  2. Step 2: Convert to fraction form
    9,778.40/14,667.62 = 2,382.86/x
  3. Step 3: Cross multiply
    9,778.40x = 14,667.62 × 2,382.86
  4. Step 4: Simplify right side
    9,778.40x = 34,950,884.99
  5. Step 5: Solve for x
    x = 34,950,884.99/9,778.40
  6. Step 6: Final answer
    x = 3,574.29

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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.