Home / 5,905.42-8,860.38-2,209.30

Finding the Fourth Proportional to 5,905.42, 8,860.38 and 2,209.30

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Solution

The fourth proportional to 5,905.42, 8,860.38 and 2,209.30 is: 3,314.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.42 : 8,860.38 = 2,209.30 : x
  2. Step 2: Convert to fraction form
    5,905.42/8,860.38 = 2,209.30/x
  3. Step 3: Cross multiply
    5,905.42x = 8,860.38 × 2,209.30
  4. Step 4: Simplify right side
    5,905.42x = 19,575,237.53
  5. Step 5: Solve for x
    x = 19,575,237.53/5,905.42
  6. Step 6: Final answer
    x = 3,314.79

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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.