Home / 6,213.40-9,319.79-2,317.50

Finding the Fourth Proportional to 6,213.40, 9,319.79 and 2,317.50

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Solution

The fourth proportional to 6,213.40, 9,319.79 and 2,317.50 is: 3,476.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.40 : 9,319.79 = 2,317.50 : x
  2. Step 2: Convert to fraction form
    6,213.40/9,319.79 = 2,317.50/x
  3. Step 3: Cross multiply
    6,213.40x = 9,319.79 × 2,317.50
  4. Step 4: Simplify right side
    6,213.40x = 21,598,619.12
  5. Step 5: Solve for x
    x = 21,598,619.12/6,213.40
  6. Step 6: Final answer
    x = 3,476.14

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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.