Home / 5,406.03-8,122.77-5,187.33

Finding the Fourth Proportional to 5,406.03, 8,122.77 and 5,187.33

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Solution

The fourth proportional to 5,406.03, 8,122.77 and 5,187.33 is: 7,794.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.03 : 8,122.77 = 5,187.33 : x
  2. Step 2: Convert to fraction form
    5,406.03/8,122.77 = 5,187.33/x
  3. Step 3: Cross multiply
    5,406.03x = 8,122.77 × 5,187.33
  4. Step 4: Simplify right side
    5,406.03x = 42,135,488.50
  5. Step 5: Solve for x
    x = 42,135,488.50/5,406.03
  6. Step 6: Final answer
    x = 7,794.16

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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.