Home / 6,464.10-9,667.35-5,427.30

Finding the Fourth Proportional to 6,464.10, 9,667.35 and 5,427.30

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Solution

The fourth proportional to 6,464.10, 9,667.35 and 5,427.30 is: 8,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,464.10 : 9,667.35 = 5,427.30 : x
  2. Step 2: Convert to fraction form
    6,464.10/9,667.35 = 5,427.30/x
  3. Step 3: Cross multiply
    6,464.10x = 9,667.35 × 5,427.30
  4. Step 4: Simplify right side
    6,464.10x = 52,467,608.66
  5. Step 5: Solve for x
    x = 52,467,608.66/6,464.10
  6. Step 6: Final answer
    x = 8,116.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.