Home / 6,322.32-8,725.38-3,490.20

Finding the Fourth Proportional to 6,322.32, 8,725.38 and 3,490.20

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Solution

The fourth proportional to 6,322.32, 8,725.38 and 3,490.20 is: 4,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.32 : 8,725.38 = 3,490.20 : x
  2. Step 2: Convert to fraction form
    6,322.32/8,725.38 = 3,490.20/x
  3. Step 3: Cross multiply
    6,322.32x = 8,725.38 × 3,490.20
  4. Step 4: Simplify right side
    6,322.32x = 30,453,321.28
  5. Step 5: Solve for x
    x = 30,453,321.28/6,322.32
  6. Step 6: Final answer
    x = 4,816.80

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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.