Home / 6,278.32-8,663.64-3,625.24

Finding the Fourth Proportional to 6,278.32, 8,663.64 and 3,625.24

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Solution

The fourth proportional to 6,278.32, 8,663.64 and 3,625.24 is: 5,002.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.32 : 8,663.64 = 3,625.24 : x
  2. Step 2: Convert to fraction form
    6,278.32/8,663.64 = 3,625.24/x
  3. Step 3: Cross multiply
    6,278.32x = 8,663.64 × 3,625.24
  4. Step 4: Simplify right side
    6,278.32x = 31,407,774.27
  5. Step 5: Solve for x
    x = 31,407,774.27/6,278.32
  6. Step 6: Final answer
    x = 5,002.58

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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.