Home / 6,619.36-9,133.10-3,748.15

Finding the Fourth Proportional to 6,619.36, 9,133.10 and 3,748.15

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Solution

The fourth proportional to 6,619.36, 9,133.10 and 3,748.15 is: 5,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.36 : 9,133.10 = 3,748.15 : x
  2. Step 2: Convert to fraction form
    6,619.36/9,133.10 = 3,748.15/x
  3. Step 3: Cross multiply
    6,619.36x = 9,133.10 × 3,748.15
  4. Step 4: Simplify right side
    6,619.36x = 34,232,245.70
  5. Step 5: Solve for x
    x = 34,232,245.70/6,619.36
  6. Step 6: Final answer
    x = 5,171.53

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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.