Home / 8,437.92-12,656.81-2,816.02

Finding the Fourth Proportional to 8,437.92, 12,656.81 and 2,816.02

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Solution

The fourth proportional to 8,437.92, 12,656.81 and 2,816.02 is: 4,224.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.92 : 12,656.81 = 2,816.02 : x
  2. Step 2: Convert to fraction form
    8,437.92/12,656.81 = 2,816.02/x
  3. Step 3: Cross multiply
    8,437.92x = 12,656.81 × 2,816.02
  4. Step 4: Simplify right side
    8,437.92x = 35,641,765.92
  5. Step 5: Solve for x
    x = 35,641,765.92/8,437.92
  6. Step 6: Final answer
    x = 4,224.00

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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.