Home / 8,333.06-11,499.92-4,978.44

Finding the Fourth Proportional to 8,333.06, 11,499.92 and 4,978.44

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Solution

The fourth proportional to 8,333.06, 11,499.92 and 4,978.44 is: 6,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.06 : 11,499.92 = 4,978.44 : x
  2. Step 2: Convert to fraction form
    8,333.06/11,499.92 = 4,978.44/x
  3. Step 3: Cross multiply
    8,333.06x = 11,499.92 × 4,978.44
  4. Step 4: Simplify right side
    8,333.06x = 57,251,636.83
  5. Step 5: Solve for x
    x = 57,251,636.83/8,333.06
  6. Step 6: Final answer
    x = 6,870.43

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1.5x scale

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.