Home / 6,686.12-9,226.45-3,701.78

Finding the Fourth Proportional to 6,686.12, 9,226.45 and 3,701.78

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Solution

The fourth proportional to 6,686.12, 9,226.45 and 3,701.78 is: 5,108.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.12 : 9,226.45 = 3,701.78 : x
  2. Step 2: Convert to fraction form
    6,686.12/9,226.45 = 3,701.78/x
  3. Step 3: Cross multiply
    6,686.12x = 9,226.45 × 3,701.78
  4. Step 4: Simplify right side
    6,686.12x = 34,154,288.08
  5. Step 5: Solve for x
    x = 34,154,288.08/6,686.12
  6. Step 6: Final answer
    x = 5,108.24

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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.