Home / 7,983.88-11,016.91-4,627.74

Finding the Fourth Proportional to 7,983.88, 11,016.91 and 4,627.74

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Solution

The fourth proportional to 7,983.88, 11,016.91 and 4,627.74 is: 6,385.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.88 : 11,016.91 = 4,627.74 : x
  2. Step 2: Convert to fraction form
    7,983.88/11,016.91 = 4,627.74/x
  3. Step 3: Cross multiply
    7,983.88x = 11,016.91 × 4,627.74
  4. Step 4: Simplify right side
    7,983.88x = 50,983,442.18
  5. Step 5: Solve for x
    x = 50,983,442.18/7,983.88
  6. Step 6: Final answer
    x = 6,385.80

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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.