Home / 4,282.96-6,426.96-1,686.64

Finding the Fourth Proportional to 4,282.96, 6,426.96 and 1,686.64

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Solution

The fourth proportional to 4,282.96, 6,426.96 and 1,686.64 is: 2,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,282.96 : 6,426.96 = 1,686.64 : x
  2. Step 2: Convert to fraction form
    4,282.96/6,426.96 = 1,686.64/x
  3. Step 3: Cross multiply
    4,282.96x = 6,426.96 × 1,686.64
  4. Step 4: Simplify right side
    4,282.96x = 10,839,967.81
  5. Step 5: Solve for x
    x = 10,839,967.81/4,282.96
  6. Step 6: Final answer
    x = 2,530.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.