Home / 6,607.77-9,118.92-3,623.78

Finding the Fourth Proportional to 6,607.77, 9,118.92 and 3,623.78

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Solution

The fourth proportional to 6,607.77, 9,118.92 and 3,623.78 is: 5,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.77 : 9,118.92 = 3,623.78 : x
  2. Step 2: Convert to fraction form
    6,607.77/9,118.92 = 3,623.78/x
  3. Step 3: Cross multiply
    6,607.77x = 9,118.92 × 3,623.78
  4. Step 4: Simplify right side
    6,607.77x = 33,044,914.32
  5. Step 5: Solve for x
    x = 33,044,914.32/6,607.77
  6. Step 6: Final answer
    x = 5,000.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.