Home / 6,111.65-9,167.45-2,215.14

Finding the Fourth Proportional to 6,111.65, 9,167.45 and 2,215.14

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Solution

The fourth proportional to 6,111.65, 9,167.45 and 2,215.14 is: 3,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.65 : 9,167.45 = 2,215.14 : x
  2. Step 2: Convert to fraction form
    6,111.65/9,167.45 = 2,215.14/x
  3. Step 3: Cross multiply
    6,111.65x = 9,167.45 × 2,215.14
  4. Step 4: Simplify right side
    6,111.65x = 20,307,174.12
  5. Step 5: Solve for x
    x = 20,307,174.12/6,111.65
  6. Step 6: Final answer
    x = 3,322.70

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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.