Home / 4,740.27-7,109.47-1,817.88

Finding the Fourth Proportional to 4,740.27, 7,109.47 and 1,817.88

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Solution

The fourth proportional to 4,740.27, 7,109.47 and 1,817.88 is: 2,726.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.27 : 7,109.47 = 1,817.88 : x
  2. Step 2: Convert to fraction form
    4,740.27/7,109.47 = 1,817.88/x
  3. Step 3: Cross multiply
    4,740.27x = 7,109.47 × 1,817.88
  4. Step 4: Simplify right side
    4,740.27x = 12,924,163.32
  5. Step 5: Solve for x
    x = 12,924,163.32/4,740.27
  6. Step 6: Final answer
    x = 2,726.46

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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.