Home / 6,686.08-9,226.56-3,702.48

Finding the Fourth Proportional to 6,686.08, 9,226.56 and 3,702.48

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Solution

The fourth proportional to 6,686.08, 9,226.56 and 3,702.48 is: 5,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.08 : 9,226.56 = 3,702.48 : x
  2. Step 2: Convert to fraction form
    6,686.08/9,226.56 = 3,702.48/x
  3. Step 3: Cross multiply
    6,686.08x = 9,226.56 × 3,702.48
  4. Step 4: Simplify right side
    6,686.08x = 34,161,153.87
  5. Step 5: Solve for x
    x = 34,161,153.87/6,686.08
  6. Step 6: Final answer
    x = 5,109.29

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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.