Home / 10,685.71-16,030.08-3,290.77

Finding the Fourth Proportional to 10,685.71, 16,030.08 and 3,290.77

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Solution

The fourth proportional to 10,685.71, 16,030.08 and 3,290.77 is: 4,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.71 : 16,030.08 = 3,290.77 : x
  2. Step 2: Convert to fraction form
    10,685.71/16,030.08 = 3,290.77/x
  3. Step 3: Cross multiply
    10,685.71x = 16,030.08 × 3,290.77
  4. Step 4: Simplify right side
    10,685.71x = 52,751,306.36
  5. Step 5: Solve for x
    x = 52,751,306.36/10,685.71
  6. Step 6: Final answer
    x = 4,936.62

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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.