Home / 7,948.96-11,924.01-2,105.50

Finding the Fourth Proportional to 7,948.96, 11,924.01 and 2,105.50

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Solution

The fourth proportional to 7,948.96, 11,924.01 and 2,105.50 is: 3,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.96 : 11,924.01 = 2,105.50 : x
  2. Step 2: Convert to fraction form
    7,948.96/11,924.01 = 2,105.50/x
  3. Step 3: Cross multiply
    7,948.96x = 11,924.01 × 2,105.50
  4. Step 4: Simplify right side
    7,948.96x = 25,106,003.06
  5. Step 5: Solve for x
    x = 25,106,003.06/7,948.96
  6. Step 6: Final answer
    x = 3,158.40

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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.