Home / 5,919.72-8,166.65-3,401.25

Finding the Fourth Proportional to 5,919.72, 8,166.65 and 3,401.25

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Solution

The fourth proportional to 5,919.72, 8,166.65 and 3,401.25 is: 4,692.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.72 : 8,166.65 = 3,401.25 : x
  2. Step 2: Convert to fraction form
    5,919.72/8,166.65 = 3,401.25/x
  3. Step 3: Cross multiply
    5,919.72x = 8,166.65 × 3,401.25
  4. Step 4: Simplify right side
    5,919.72x = 27,776,803.22
  5. Step 5: Solve for x
    x = 27,776,803.22/5,919.72
  6. Step 6: Final answer
    x = 4,692.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.