Home / 4,989.36-7,477.83-2,799.66

Finding the Fourth Proportional to 4,989.36, 7,477.83 and 2,799.66

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Solution

The fourth proportional to 4,989.36, 7,477.83 and 2,799.66 is: 4,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.36 : 7,477.83 = 2,799.66 : x
  2. Step 2: Convert to fraction form
    4,989.36/7,477.83 = 2,799.66/x
  3. Step 3: Cross multiply
    4,989.36x = 7,477.83 × 2,799.66
  4. Step 4: Simplify right side
    4,989.36x = 20,935,381.54
  5. Step 5: Solve for x
    x = 20,935,381.54/4,989.36
  6. Step 6: Final answer
    x = 4,196.01

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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.