Home / 5,161.08-7,122.32-2,803.24

Finding the Fourth Proportional to 5,161.08, 7,122.32 and 2,803.24

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Solution

The fourth proportional to 5,161.08, 7,122.32 and 2,803.24 is: 3,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.08 : 7,122.32 = 2,803.24 : x
  2. Step 2: Convert to fraction form
    5,161.08/7,122.32 = 2,803.24/x
  3. Step 3: Cross multiply
    5,161.08x = 7,122.32 × 2,803.24
  4. Step 4: Simplify right side
    5,161.08x = 19,965,572.32
  5. Step 5: Solve for x
    x = 19,965,572.32/5,161.08
  6. Step 6: Final answer
    x = 3,868.49

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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.