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Finding the Fourth Proportional to 6,437, 8,883.24 and 3,642.68

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Solution

The fourth proportional to 6,437, 8,883.24 and 3,642.68 is: 5,027.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437 : 8,883.24 = 3,642.68 : x
  2. Step 2: Convert to fraction form
    6,437/8,883.24 = 3,642.68/x
  3. Step 3: Cross multiply
    6,437x = 8,883.24 × 3,642.68
  4. Step 4: Simplify right side
    6,437x = 32,358,800.68
  5. Step 5: Solve for x
    x = 32,358,800.68/6,437
  6. Step 6: Final answer
    x = 5,027.00

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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.