Home / 4,254.64-6,387.90-2,803.12

Finding the Fourth Proportional to 4,254.64, 6,387.90 and 2,803.12

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Solution

The fourth proportional to 4,254.64, 6,387.90 and 2,803.12 is: 4,208.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.64 : 6,387.90 = 2,803.12 : x
  2. Step 2: Convert to fraction form
    4,254.64/6,387.90 = 2,803.12/x
  3. Step 3: Cross multiply
    4,254.64x = 6,387.90 × 2,803.12
  4. Step 4: Simplify right side
    4,254.64x = 17,906,050.25
  5. Step 5: Solve for x
    x = 17,906,050.25/4,254.64
  6. Step 6: Final answer
    x = 4,208.59

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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.