Home / 8,533.18-12,778.39-5,403.75

Finding the Fourth Proportional to 8,533.18, 12,778.39 and 5,403.75

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Solution

The fourth proportional to 8,533.18, 12,778.39 and 5,403.75 is: 8,092.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.18 : 12,778.39 = 5,403.75 : x
  2. Step 2: Convert to fraction form
    8,533.18/12,778.39 = 5,403.75/x
  3. Step 3: Cross multiply
    8,533.18x = 12,778.39 × 5,403.75
  4. Step 4: Simplify right side
    8,533.18x = 69,051,224.96
  5. Step 5: Solve for x
    x = 69,051,224.96/8,533.18
  6. Step 6: Final answer
    x = 8,092.09

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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.