Home / 7,995.24-11,997.78-3,065.40

Finding the Fourth Proportional to 7,995.24, 11,997.78 and 3,065.40

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Solution

The fourth proportional to 7,995.24, 11,997.78 and 3,065.40 is: 4,599.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.24 : 11,997.78 = 3,065.40 : x
  2. Step 2: Convert to fraction form
    7,995.24/11,997.78 = 3,065.40/x
  3. Step 3: Cross multiply
    7,995.24x = 11,997.78 × 3,065.40
  4. Step 4: Simplify right side
    7,995.24x = 36,777,994.81
  5. Step 5: Solve for x
    x = 36,777,994.81/7,995.24
  6. Step 6: Final answer
    x = 4,599.99

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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.