Home / 5,970.12-8,242.20-3,987.24

Finding the Fourth Proportional to 5,970.12, 8,242.20 and 3,987.24

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Solution

The fourth proportional to 5,970.12, 8,242.20 and 3,987.24 is: 5,504.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,970.12 : 8,242.20 = 3,987.24 : x
  2. Step 2: Convert to fraction form
    5,970.12/8,242.20 = 3,987.24/x
  3. Step 3: Cross multiply
    5,970.12x = 8,242.20 × 3,987.24
  4. Step 4: Simplify right side
    5,970.12x = 32,863,629.53
  5. Step 5: Solve for x
    x = 32,863,629.53/5,970.12
  6. Step 6: Final answer
    x = 5,504.68

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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.