Home / 5,921.50-8,172.48-3,437.50

Finding the Fourth Proportional to 5,921.50, 8,172.48 and 3,437.50

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Solution

The fourth proportional to 5,921.50, 8,172.48 and 3,437.50 is: 4,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.50 : 8,172.48 = 3,437.50 : x
  2. Step 2: Convert to fraction form
    5,921.50/8,172.48 = 3,437.50/x
  3. Step 3: Cross multiply
    5,921.50x = 8,172.48 × 3,437.50
  4. Step 4: Simplify right side
    5,921.50x = 28,092,900
  5. Step 5: Solve for x
    x = 28,092,900/5,921.50
  6. Step 6: Final answer
    x = 4,744.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.