Home / 7,948.04-11,921.99-1,944.14

Finding the Fourth Proportional to 7,948.04, 11,921.99 and 1,944.14

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Solution

The fourth proportional to 7,948.04, 11,921.99 and 1,944.14 is: 2,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.04 : 11,921.99 = 1,944.14 : x
  2. Step 2: Convert to fraction form
    7,948.04/11,921.99 = 1,944.14/x
  3. Step 3: Cross multiply
    7,948.04x = 11,921.99 × 1,944.14
  4. Step 4: Simplify right side
    7,948.04x = 23,177,948.31
  5. Step 5: Solve for x
    x = 23,177,948.31/7,948.04
  6. Step 6: Final answer
    x = 2,916.19

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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.