Home / 6,398.96-8,830.68-4,299.44

Finding the Fourth Proportional to 6,398.96, 8,830.68 and 4,299.44

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Solution

The fourth proportional to 6,398.96, 8,830.68 and 4,299.44 is: 5,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.96 : 8,830.68 = 4,299.44 : x
  2. Step 2: Convert to fraction form
    6,398.96/8,830.68 = 4,299.44/x
  3. Step 3: Cross multiply
    6,398.96x = 8,830.68 × 4,299.44
  4. Step 4: Simplify right side
    6,398.96x = 37,966,978.82
  5. Step 5: Solve for x
    x = 37,966,978.82/6,398.96
  6. Step 6: Final answer
    x = 5,933.30

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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.