Home / 6,774.80-10,158.06-4,431.96

Finding the Fourth Proportional to 6,774.80, 10,158.06 and 4,431.96

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Solution

The fourth proportional to 6,774.80, 10,158.06 and 4,431.96 is: 6,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.80 : 10,158.06 = 4,431.96 : x
  2. Step 2: Convert to fraction form
    6,774.80/10,158.06 = 4,431.96/x
  3. Step 3: Cross multiply
    6,774.80x = 10,158.06 × 4,431.96
  4. Step 4: Simplify right side
    6,774.80x = 45,020,115.60
  5. Step 5: Solve for x
    x = 45,020,115.60/6,774.80
  6. Step 6: Final answer
    x = 6,645.23

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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.