Home / 6,872.32-10,308.88-2,490.24

Finding the Fourth Proportional to 6,872.32, 10,308.88 and 2,490.24

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Solution

The fourth proportional to 6,872.32, 10,308.88 and 2,490.24 is: 3,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.32 : 10,308.88 = 2,490.24 : x
  2. Step 2: Convert to fraction form
    6,872.32/10,308.88 = 2,490.24/x
  3. Step 3: Cross multiply
    6,872.32x = 10,308.88 × 2,490.24
  4. Step 4: Simplify right side
    6,872.32x = 25,671,585.33
  5. Step 5: Solve for x
    x = 25,671,585.33/6,872.32
  6. Step 6: Final answer
    x = 3,735.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.