Home / 9,238.09-12,759.18-6,731.41

Finding the Fourth Proportional to 9,238.09, 12,759.18 and 6,731.41

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Solution

The fourth proportional to 9,238.09, 12,759.18 and 6,731.41 is: 9,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.09 : 12,759.18 = 6,731.41 : x
  2. Step 2: Convert to fraction form
    9,238.09/12,759.18 = 6,731.41/x
  3. Step 3: Cross multiply
    9,238.09x = 12,759.18 × 6,731.41
  4. Step 4: Simplify right side
    9,238.09x = 85,887,271.84
  5. Step 5: Solve for x
    x = 85,887,271.84/9,238.09
  6. Step 6: Final answer
    x = 9,297.08

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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.