Home / 6,316.90-8,717.32-3,664.50

Finding the Fourth Proportional to 6,316.90, 8,717.32 and 3,664.50

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Solution

The fourth proportional to 6,316.90, 8,717.32 and 3,664.50 is: 5,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.90 : 8,717.32 = 3,664.50 : x
  2. Step 2: Convert to fraction form
    6,316.90/8,717.32 = 3,664.50/x
  3. Step 3: Cross multiply
    6,316.90x = 8,717.32 × 3,664.50
  4. Step 4: Simplify right side
    6,316.90x = 31,944,619.14
  5. Step 5: Solve for x
    x = 31,944,619.14/6,316.90
  6. Step 6: Final answer
    x = 5,057.01

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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.