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Finding the Fourth Proportional to 5,133.80, 7,701.30 and 1,801.03

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Solution

The fourth proportional to 5,133.80, 7,701.30 and 1,801.03 is: 2,701.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.80 : 7,701.30 = 1,801.03 : x
  2. Step 2: Convert to fraction form
    5,133.80/7,701.30 = 1,801.03/x
  3. Step 3: Cross multiply
    5,133.80x = 7,701.30 × 1,801.03
  4. Step 4: Simplify right side
    5,133.80x = 13,870,272.34
  5. Step 5: Solve for x
    x = 13,870,272.34/5,133.80
  6. Step 6: Final answer
    x = 2,701.76

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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.