Home / 4,990.36-6,885.84-3,001.36

Finding the Fourth Proportional to 4,990.36, 6,885.84 and 3,001.36

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Solution

The fourth proportional to 4,990.36, 6,885.84 and 3,001.36 is: 4,141.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.36 : 6,885.84 = 3,001.36 : x
  2. Step 2: Convert to fraction form
    4,990.36/6,885.84 = 3,001.36/x
  3. Step 3: Cross multiply
    4,990.36x = 6,885.84 × 3,001.36
  4. Step 4: Simplify right side
    4,990.36x = 20,666,884.74
  5. Step 5: Solve for x
    x = 20,666,884.74/4,990.36
  6. Step 6: Final answer
    x = 4,141.36

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Half scale
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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.