Home / 6,686.55-9,226.61-3,853.58

Finding the Fourth Proportional to 6,686.55, 9,226.61 and 3,853.58

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Solution

The fourth proportional to 6,686.55, 9,226.61 and 3,853.58 is: 5,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.55 : 9,226.61 = 3,853.58 : x
  2. Step 2: Convert to fraction form
    6,686.55/9,226.61 = 3,853.58/x
  3. Step 3: Cross multiply
    6,686.55x = 9,226.61 × 3,853.58
  4. Step 4: Simplify right side
    6,686.55x = 35,555,428.81
  5. Step 5: Solve for x
    x = 35,555,428.81/6,686.55
  6. Step 6: Final answer
    x = 5,317.46

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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.