Home / 8,628.48-12,944.64-2,472

Finding the Fourth Proportional to 8,628.48, 12,944.64 and 2,472

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Solution

The fourth proportional to 8,628.48, 12,944.64 and 2,472 is: 3,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628.48 : 12,944.64 = 2,472 : x
  2. Step 2: Convert to fraction form
    8,628.48/12,944.64 = 2,472/x
  3. Step 3: Cross multiply
    8,628.48x = 12,944.64 × 2,472
  4. Step 4: Simplify right side
    8,628.48x = 31,999,150.08
  5. Step 5: Solve for x
    x = 31,999,150.08/8,628.48
  6. Step 6: Final answer
    x = 3,708.55

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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.