Home / 6,237.36-9,356.10-1,620.36

Finding the Fourth Proportional to 6,237.36, 9,356.10 and 1,620.36

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Solution

The fourth proportional to 6,237.36, 9,356.10 and 1,620.36 is: 2,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,237.36 : 9,356.10 = 1,620.36 : x
  2. Step 2: Convert to fraction form
    6,237.36/9,356.10 = 1,620.36/x
  3. Step 3: Cross multiply
    6,237.36x = 9,356.10 × 1,620.36
  4. Step 4: Simplify right side
    6,237.36x = 15,160,250.20
  5. Step 5: Solve for x
    x = 15,160,250.20/6,237.36
  6. Step 6: Final answer
    x = 2,430.56

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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.