Home / 6,135.84-8,470.32-3,617.16

Finding the Fourth Proportional to 6,135.84, 8,470.32 and 3,617.16

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Solution

The fourth proportional to 6,135.84, 8,470.32 and 3,617.16 is: 4,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,135.84 : 8,470.32 = 3,617.16 : x
  2. Step 2: Convert to fraction form
    6,135.84/8,470.32 = 3,617.16/x
  3. Step 3: Cross multiply
    6,135.84x = 8,470.32 × 3,617.16
  4. Step 4: Simplify right side
    6,135.84x = 30,638,502.69
  5. Step 5: Solve for x
    x = 30,638,502.69/6,135.84
  6. Step 6: Final answer
    x = 4,993.37

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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.