Home / 5,664.36-7,816.77-3,112.15

Finding the Fourth Proportional to 5,664.36, 7,816.77 and 3,112.15

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Solution

The fourth proportional to 5,664.36, 7,816.77 and 3,112.15 is: 4,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.36 : 7,816.77 = 3,112.15 : x
  2. Step 2: Convert to fraction form
    5,664.36/7,816.77 = 3,112.15/x
  3. Step 3: Cross multiply
    5,664.36x = 7,816.77 × 3,112.15
  4. Step 4: Simplify right side
    5,664.36x = 24,326,960.76
  5. Step 5: Solve for x
    x = 24,326,960.76/5,664.36
  6. Step 6: Final answer
    x = 4,294.75

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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.