Home / 6,292.01-8,682.30-3,638.90

Finding the Fourth Proportional to 6,292.01, 8,682.30 and 3,638.90

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Solution

The fourth proportional to 6,292.01, 8,682.30 and 3,638.90 is: 5,021.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.01 : 8,682.30 = 3,638.90 : x
  2. Step 2: Convert to fraction form
    6,292.01/8,682.30 = 3,638.90/x
  3. Step 3: Cross multiply
    6,292.01x = 8,682.30 × 3,638.90
  4. Step 4: Simplify right side
    6,292.01x = 31,594,043.18
  5. Step 5: Solve for x
    x = 31,594,043.18/6,292.01
  6. Step 6: Final answer
    x = 5,021.29

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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.