Home / 7,931.25-11,896.96-3,250.06

Finding the Fourth Proportional to 7,931.25, 11,896.96 and 3,250.06

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Solution

The fourth proportional to 7,931.25, 11,896.96 and 3,250.06 is: 4,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.25 : 11,896.96 = 3,250.06 : x
  2. Step 2: Convert to fraction form
    7,931.25/11,896.96 = 3,250.06/x
  3. Step 3: Cross multiply
    7,931.25x = 11,896.96 × 3,250.06
  4. Step 4: Simplify right side
    7,931.25x = 38,665,795.95
  5. Step 5: Solve for x
    x = 38,665,795.95/7,931.25
  6. Step 6: Final answer
    x = 4,875.12

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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.