Home / 10,288.67-15,427.74-4,737.20

Finding the Fourth Proportional to 10,288.67, 15,427.74 and 4,737.20

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Solution

The fourth proportional to 10,288.67, 15,427.74 and 4,737.20 is: 7,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.67 : 15,427.74 = 4,737.20 : x
  2. Step 2: Convert to fraction form
    10,288.67/15,427.74 = 4,737.20/x
  3. Step 3: Cross multiply
    10,288.67x = 15,427.74 × 4,737.20
  4. Step 4: Simplify right side
    10,288.67x = 73,084,230.55
  5. Step 5: Solve for x
    x = 73,084,230.55/10,288.67
  6. Step 6: Final answer
    x = 7,103.37

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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.