Home / 5,685.44-8,518.08-3,950.72

Finding the Fourth Proportional to 5,685.44, 8,518.08 and 3,950.72

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Solution

The fourth proportional to 5,685.44, 8,518.08 and 3,950.72 is: 5,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.44 : 8,518.08 = 3,950.72 : x
  2. Step 2: Convert to fraction form
    5,685.44/8,518.08 = 3,950.72/x
  3. Step 3: Cross multiply
    5,685.44x = 8,518.08 × 3,950.72
  4. Step 4: Simplify right side
    5,685.44x = 33,652,549.02
  5. Step 5: Solve for x
    x = 33,652,549.02/5,685.44
  6. Step 6: Final answer
    x = 5,919.08

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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.