Home / 6,642.02-9,166.92-3,847.52

Finding the Fourth Proportional to 6,642.02, 9,166.92 and 3,847.52

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Solution

The fourth proportional to 6,642.02, 9,166.92 and 3,847.52 is: 5,310.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642.02 : 9,166.92 = 3,847.52 : x
  2. Step 2: Convert to fraction form
    6,642.02/9,166.92 = 3,847.52/x
  3. Step 3: Cross multiply
    6,642.02x = 9,166.92 × 3,847.52
  4. Step 4: Simplify right side
    6,642.02x = 35,269,908.04
  5. Step 5: Solve for x
    x = 35,269,908.04/6,642.02
  6. Step 6: Final answer
    x = 5,310.12

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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.