Home / 4,491.32-6,191.60-3,160.89

Finding the Fourth Proportional to 4,491.32, 6,191.60 and 3,160.89

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Solution

The fourth proportional to 4,491.32, 6,191.60 and 3,160.89 is: 4,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.32 : 6,191.60 = 3,160.89 : x
  2. Step 2: Convert to fraction form
    4,491.32/6,191.60 = 3,160.89/x
  3. Step 3: Cross multiply
    4,491.32x = 6,191.60 × 3,160.89
  4. Step 4: Simplify right side
    4,491.32x = 19,570,950.72
  5. Step 5: Solve for x
    x = 19,570,950.72/4,491.32
  6. Step 6: Final answer
    x = 4,357.51

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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.