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Finding the Fourth Proportional to 5,699.31, 8,543.50 and 1,800.98

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Solution

The fourth proportional to 5,699.31, 8,543.50 and 1,800.98 is: 2,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.31 : 8,543.50 = 1,800.98 : x
  2. Step 2: Convert to fraction form
    5,699.31/8,543.50 = 1,800.98/x
  3. Step 3: Cross multiply
    5,699.31x = 8,543.50 × 1,800.98
  4. Step 4: Simplify right side
    5,699.31x = 15,386,710.57
  5. Step 5: Solve for x
    x = 15,386,710.57/5,699.31
  6. Step 6: Final answer
    x = 2,699.75

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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.