Home / 7,378.02-11,067.12-2,113.02

Finding the Fourth Proportional to 7,378.02, 11,067.12 and 2,113.02

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Solution

The fourth proportional to 7,378.02, 11,067.12 and 2,113.02 is: 3,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.02 : 11,067.12 = 2,113.02 : x
  2. Step 2: Convert to fraction form
    7,378.02/11,067.12 = 2,113.02/x
  3. Step 3: Cross multiply
    7,378.02x = 11,067.12 × 2,113.02
  4. Step 4: Simplify right side
    7,378.02x = 23,385,045.90
  5. Step 5: Solve for x
    x = 23,385,045.90/7,378.02
  6. Step 6: Final answer
    x = 3,169.56

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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.