Home / 7,947.24-11,919.18-3,015.16

Finding the Fourth Proportional to 7,947.24, 11,919.18 and 3,015.16

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Solution

The fourth proportional to 7,947.24, 11,919.18 and 3,015.16 is: 4,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947.24 : 11,919.18 = 3,015.16 : x
  2. Step 2: Convert to fraction form
    7,947.24/11,919.18 = 3,015.16/x
  3. Step 3: Cross multiply
    7,947.24x = 11,919.18 × 3,015.16
  4. Step 4: Simplify right side
    7,947.24x = 35,938,234.77
  5. Step 5: Solve for x
    x = 35,938,234.77/7,947.24
  6. Step 6: Final answer
    x = 4,522.10

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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.