Home / 9,178.46-13,767.99-5,628.83

Finding the Fourth Proportional to 9,178.46, 13,767.99 and 5,628.83

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Solution

The fourth proportional to 9,178.46, 13,767.99 and 5,628.83 is: 8,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.46 : 13,767.99 = 5,628.83 : x
  2. Step 2: Convert to fraction form
    9,178.46/13,767.99 = 5,628.83/x
  3. Step 3: Cross multiply
    9,178.46x = 13,767.99 × 5,628.83
  4. Step 4: Simplify right side
    9,178.46x = 77,497,709.57
  5. Step 5: Solve for x
    x = 77,497,709.57/9,178.46
  6. Step 6: Final answer
    x = 8,443.44

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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.