Home / 5,887.78-8,121.53-3,496.13

Finding the Fourth Proportional to 5,887.78, 8,121.53 and 3,496.13

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Solution

The fourth proportional to 5,887.78, 8,121.53 and 3,496.13 is: 4,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.78 : 8,121.53 = 3,496.13 : x
  2. Step 2: Convert to fraction form
    5,887.78/8,121.53 = 3,496.13/x
  3. Step 3: Cross multiply
    5,887.78x = 8,121.53 × 3,496.13
  4. Step 4: Simplify right side
    5,887.78x = 28,393,933.42
  5. Step 5: Solve for x
    x = 28,393,933.42/5,887.78
  6. Step 6: Final answer
    x = 4,822.52

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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.