Home / 5,334.12-7,987.19-3,765.65

Finding the Fourth Proportional to 5,334.12, 7,987.19 and 3,765.65

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Solution

The fourth proportional to 5,334.12, 7,987.19 and 3,765.65 is: 5,638.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,334.12 : 7,987.19 = 3,765.65 : x
  2. Step 2: Convert to fraction form
    5,334.12/7,987.19 = 3,765.65/x
  3. Step 3: Cross multiply
    5,334.12x = 7,987.19 × 3,765.65
  4. Step 4: Simplify right side
    5,334.12x = 30,076,903.26
  5. Step 5: Solve for x
    x = 30,076,903.26/5,334.12
  6. Step 6: Final answer
    x = 5,638.59

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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.