Home / 6,111.64-9,168.06-1,729.12

Finding the Fourth Proportional to 6,111.64, 9,168.06 and 1,729.12

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Solution

The fourth proportional to 6,111.64, 9,168.06 and 1,729.12 is: 2,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.64 : 9,168.06 = 1,729.12 : x
  2. Step 2: Convert to fraction form
    6,111.64/9,168.06 = 1,729.12/x
  3. Step 3: Cross multiply
    6,111.64x = 9,168.06 × 1,729.12
  4. Step 4: Simplify right side
    6,111.64x = 15,852,675.91
  5. Step 5: Solve for x
    x = 15,852,675.91/6,111.64
  6. Step 6: Final answer
    x = 2,593.85

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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.