Home / 6,661.32-9,995.49-2,712.84

Finding the Fourth Proportional to 6,661.32, 9,995.49 and 2,712.84

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Solution

The fourth proportional to 6,661.32, 9,995.49 and 2,712.84 is: 4,070.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.32 : 9,995.49 = 2,712.84 : x
  2. Step 2: Convert to fraction form
    6,661.32/9,995.49 = 2,712.84/x
  3. Step 3: Cross multiply
    6,661.32x = 9,995.49 × 2,712.84
  4. Step 4: Simplify right side
    6,661.32x = 27,116,165.09
  5. Step 5: Solve for x
    x = 27,116,165.09/6,661.32
  6. Step 6: Final answer
    x = 4,070.69

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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.