Home / 8,362.36-12,543.55-2,122.84

Finding the Fourth Proportional to 8,362.36, 12,543.55 and 2,122.84

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Solution

The fourth proportional to 8,362.36, 12,543.55 and 2,122.84 is: 3,184.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,362.36 : 12,543.55 = 2,122.84 : x
  2. Step 2: Convert to fraction form
    8,362.36/12,543.55 = 2,122.84/x
  3. Step 3: Cross multiply
    8,362.36x = 12,543.55 × 2,122.84
  4. Step 4: Simplify right side
    8,362.36x = 26,627,960.05
  5. Step 5: Solve for x
    x = 26,627,960.05/8,362.36
  6. Step 6: Final answer
    x = 3,184.26

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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.