Home / 8,552.94-12,826.98-5,428.23

Finding the Fourth Proportional to 8,552.94, 12,826.98 and 5,428.23

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Solution

The fourth proportional to 8,552.94, 12,826.98 and 5,428.23 is: 8,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.94 : 12,826.98 = 5,428.23 : x
  2. Step 2: Convert to fraction form
    8,552.94/12,826.98 = 5,428.23/x
  3. Step 3: Cross multiply
    8,552.94x = 12,826.98 × 5,428.23
  4. Step 4: Simplify right side
    8,552.94x = 69,627,797.65
  5. Step 5: Solve for x
    x = 69,627,797.65/8,552.94
  6. Step 6: Final answer
    x = 8,140.80

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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.