Home / 7,931.66-11,896.81-3,250.33

Finding the Fourth Proportional to 7,931.66, 11,896.81 and 3,250.33

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Solution

The fourth proportional to 7,931.66, 11,896.81 and 3,250.33 is: 4,875.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.66 : 11,896.81 = 3,250.33 : x
  2. Step 2: Convert to fraction form
    7,931.66/11,896.81 = 3,250.33/x
  3. Step 3: Cross multiply
    7,931.66x = 11,896.81 × 3,250.33
  4. Step 4: Simplify right side
    7,931.66x = 38,668,482.71
  5. Step 5: Solve for x
    x = 38,668,482.71/7,931.66
  6. Step 6: Final answer
    x = 4,875.21

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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.