Home / 7,491.77-11,242.67-3,109.23

Finding the Fourth Proportional to 7,491.77, 11,242.67 and 3,109.23

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Solution

The fourth proportional to 7,491.77, 11,242.67 and 3,109.23 is: 4,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.77 : 11,242.67 = 3,109.23 : x
  2. Step 2: Convert to fraction form
    7,491.77/11,242.67 = 3,109.23/x
  3. Step 3: Cross multiply
    7,491.77x = 11,242.67 × 3,109.23
  4. Step 4: Simplify right side
    7,491.77x = 34,955,975.08
  5. Step 5: Solve for x
    x = 34,955,975.08/7,491.77
  6. Step 6: Final answer
    x = 4,665.92

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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.