Home / 6,261.17-8,638.46-3,608.22

Finding the Fourth Proportional to 6,261.17, 8,638.46 and 3,608.22

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Solution

The fourth proportional to 6,261.17, 8,638.46 and 3,608.22 is: 4,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.17 : 8,638.46 = 3,608.22 : x
  2. Step 2: Convert to fraction form
    6,261.17/8,638.46 = 3,608.22/x
  3. Step 3: Cross multiply
    6,261.17x = 8,638.46 × 3,608.22
  4. Step 4: Simplify right side
    6,261.17x = 31,169,402.91
  5. Step 5: Solve for x
    x = 31,169,402.91/6,261.17
  6. Step 6: Final answer
    x = 4,978.21

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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.