Home / 4,259.22-6,389-1,486.16

Finding the Fourth Proportional to 4,259.22, 6,389 and 1,486.16

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Solution

The fourth proportional to 4,259.22, 6,389 and 1,486.16 is: 2,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.22 : 6,389 = 1,486.16 : x
  2. Step 2: Convert to fraction form
    4,259.22/6,389 = 1,486.16/x
  3. Step 3: Cross multiply
    4,259.22x = 6,389 × 1,486.16
  4. Step 4: Simplify right side
    4,259.22x = 9,495,076.24
  5. Step 5: Solve for x
    x = 9,495,076.24/4,259.22
  6. Step 6: Final answer
    x = 2,229.30

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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.