Home / 4,491.56-6,177.72-3,605.40

Finding the Fourth Proportional to 4,491.56, 6,177.72 and 3,605.40

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Solution

The fourth proportional to 4,491.56, 6,177.72 and 3,605.40 is: 4,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.56 : 6,177.72 = 3,605.40 : x
  2. Step 2: Convert to fraction form
    4,491.56/6,177.72 = 3,605.40/x
  3. Step 3: Cross multiply
    4,491.56x = 6,177.72 × 3,605.40
  4. Step 4: Simplify right side
    4,491.56x = 22,273,151.69
  5. Step 5: Solve for x
    x = 22,273,151.69/4,491.56
  6. Step 6: Final answer
    x = 4,958.89

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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.