Home / 7,065.72-9,751.66-4,272.12

Finding the Fourth Proportional to 7,065.72, 9,751.66 and 4,272.12

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Solution

The fourth proportional to 7,065.72, 9,751.66 and 4,272.12 is: 5,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065.72 : 9,751.66 = 4,272.12 : x
  2. Step 2: Convert to fraction form
    7,065.72/9,751.66 = 4,272.12/x
  3. Step 3: Cross multiply
    7,065.72x = 9,751.66 × 4,272.12
  4. Step 4: Simplify right side
    7,065.72x = 41,660,261.72
  5. Step 5: Solve for x
    x = 41,660,261.72/7,065.72
  6. Step 6: Final answer
    x = 5,896.11

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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.