Home / 6,437.24-8,879.68-3,784.16

Finding the Fourth Proportional to 6,437.24, 8,879.68 and 3,784.16

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Solution

The fourth proportional to 6,437.24, 8,879.68 and 3,784.16 is: 5,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437.24 : 8,879.68 = 3,784.16 : x
  2. Step 2: Convert to fraction form
    6,437.24/8,879.68 = 3,784.16/x
  3. Step 3: Cross multiply
    6,437.24x = 8,879.68 × 3,784.16
  4. Step 4: Simplify right side
    6,437.24x = 33,602,129.87
  5. Step 5: Solve for x
    x = 33,602,129.87/6,437.24
  6. Step 6: Final answer
    x = 5,219.96

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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.