Home / 6,645.74-9,167.58-4,376.72

Finding the Fourth Proportional to 6,645.74, 9,167.58 and 4,376.72

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Solution

The fourth proportional to 6,645.74, 9,167.58 and 4,376.72 is: 6,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.74 : 9,167.58 = 4,376.72 : x
  2. Step 2: Convert to fraction form
    6,645.74/9,167.58 = 4,376.72/x
  3. Step 3: Cross multiply
    6,645.74x = 9,167.58 × 4,376.72
  4. Step 4: Simplify right side
    6,645.74x = 40,123,884.90
  5. Step 5: Solve for x
    x = 40,123,884.90/6,645.74
  6. Step 6: Final answer
    x = 6,037.54

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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.