Home / 6,278.20-8,667.10-4,858.68

Finding the Fourth Proportional to 6,278.20, 8,667.10 and 4,858.68

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Solution

The fourth proportional to 6,278.20, 8,667.10 and 4,858.68 is: 6,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.20 : 8,667.10 = 4,858.68 : x
  2. Step 2: Convert to fraction form
    6,278.20/8,667.10 = 4,858.68/x
  3. Step 3: Cross multiply
    6,278.20x = 8,667.10 × 4,858.68
  4. Step 4: Simplify right side
    6,278.20x = 42,110,665.43
  5. Step 5: Solve for x
    x = 42,110,665.43/6,278.20
  6. Step 6: Final answer
    x = 6,707.44

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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.