Home / 6,686.20-9,226.89-3,702.01

Finding the Fourth Proportional to 6,686.20, 9,226.89 and 3,702.01

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Solution

The fourth proportional to 6,686.20, 9,226.89 and 3,702.01 is: 5,108.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.20 : 9,226.89 = 3,702.01 : x
  2. Step 2: Convert to fraction form
    6,686.20/9,226.89 = 3,702.01/x
  3. Step 3: Cross multiply
    6,686.20x = 9,226.89 × 3,702.01
  4. Step 4: Simplify right side
    6,686.20x = 34,158,039.05
  5. Step 5: Solve for x
    x = 34,158,039.05/6,686.20
  6. Step 6: Final answer
    x = 5,108.74

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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.