Home / 7,621.84-11,412.73-6,133.15

Finding the Fourth Proportional to 7,621.84, 11,412.73 and 6,133.15

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Solution

The fourth proportional to 7,621.84, 11,412.73 and 6,133.15 is: 9,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.84 : 11,412.73 = 6,133.15 : x
  2. Step 2: Convert to fraction form
    7,621.84/11,412.73 = 6,133.15/x
  3. Step 3: Cross multiply
    7,621.84x = 11,412.73 × 6,133.15
  4. Step 4: Simplify right side
    7,621.84x = 69,995,985.00
  5. Step 5: Solve for x
    x = 69,995,985.00/7,621.84
  6. Step 6: Final answer
    x = 9,183.61

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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.