Home / 5,509.05-7,602.44-2,991.11

Finding the Fourth Proportional to 5,509.05, 7,602.44 and 2,991.11

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Solution

The fourth proportional to 5,509.05, 7,602.44 and 2,991.11 is: 4,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.05 : 7,602.44 = 2,991.11 : x
  2. Step 2: Convert to fraction form
    5,509.05/7,602.44 = 2,991.11/x
  3. Step 3: Cross multiply
    5,509.05x = 7,602.44 × 2,991.11
  4. Step 4: Simplify right side
    5,509.05x = 22,739,737.89
  5. Step 5: Solve for x
    x = 22,739,737.89/5,509.05
  6. Step 6: Final answer
    x = 4,127.71

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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.