Home / 10,485.63-15,727.59-3,089.97

Finding the Fourth Proportional to 10,485.63, 15,727.59 and 3,089.97

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Solution

The fourth proportional to 10,485.63, 15,727.59 and 3,089.97 is: 4,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,485.63 : 15,727.59 = 3,089.97 : x
  2. Step 2: Convert to fraction form
    10,485.63/15,727.59 = 3,089.97/x
  3. Step 3: Cross multiply
    10,485.63x = 15,727.59 × 3,089.97
  4. Step 4: Simplify right side
    10,485.63x = 48,597,781.27
  5. Step 5: Solve for x
    x = 48,597,781.27/10,485.63
  6. Step 6: Final answer
    x = 4,634.70

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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.