Home / 8,400.48-12,601.80-3,470.28

Finding the Fourth Proportional to 8,400.48, 12,601.80 and 3,470.28

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Solution

The fourth proportional to 8,400.48, 12,601.80 and 3,470.28 is: 5,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.48 : 12,601.80 = 3,470.28 : x
  2. Step 2: Convert to fraction form
    8,400.48/12,601.80 = 3,470.28/x
  3. Step 3: Cross multiply
    8,400.48x = 12,601.80 × 3,470.28
  4. Step 4: Simplify right side
    8,400.48x = 43,731,774.50
  5. Step 5: Solve for x
    x = 43,731,774.50/8,400.48
  6. Step 6: Final answer
    x = 5,205.87

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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.