Home / 4,259.47-6,392.30-2,181.21

Finding the Fourth Proportional to 4,259.47, 6,392.30 and 2,181.21

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Solution

The fourth proportional to 4,259.47, 6,392.30 and 2,181.21 is: 3,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.47 : 6,392.30 = 2,181.21 : x
  2. Step 2: Convert to fraction form
    4,259.47/6,392.30 = 2,181.21/x
  3. Step 3: Cross multiply
    4,259.47x = 6,392.30 × 2,181.21
  4. Step 4: Simplify right side
    4,259.47x = 13,942,938.16
  5. Step 5: Solve for x
    x = 13,942,938.16/4,259.47
  6. Step 6: Final answer
    x = 3,273.40

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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.