Home / 5,664.32-7,816.50-3,146.60

Finding the Fourth Proportional to 5,664.32, 7,816.50 and 3,146.60

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Solution

The fourth proportional to 5,664.32, 7,816.50 and 3,146.60 is: 4,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.32 : 7,816.50 = 3,146.60 : x
  2. Step 2: Convert to fraction form
    5,664.32/7,816.50 = 3,146.60/x
  3. Step 3: Cross multiply
    5,664.32x = 7,816.50 × 3,146.60
  4. Step 4: Simplify right side
    5,664.32x = 24,595,398.90
  5. Step 5: Solve for x
    x = 24,595,398.90/5,664.32
  6. Step 6: Final answer
    x = 4,342.16

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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.