Home / 5,509.08-7,602.59-2,991.22

Finding the Fourth Proportional to 5,509.08, 7,602.59 and 2,991.22

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Solution

The fourth proportional to 5,509.08, 7,602.59 and 2,991.22 is: 4,127.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.08 : 7,602.59 = 2,991.22 : x
  2. Step 2: Convert to fraction form
    5,509.08/7,602.59 = 2,991.22/x
  3. Step 3: Cross multiply
    5,509.08x = 7,602.59 × 2,991.22
  4. Step 4: Simplify right side
    5,509.08x = 22,741,007.73
  5. Step 5: Solve for x
    x = 22,741,007.73/5,509.08
  6. Step 6: Final answer
    x = 4,127.91

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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.