Home / 8,511-11,745.20-4,976.16

Finding the Fourth Proportional to 8,511, 11,745.20 and 4,976.16

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Solution

The fourth proportional to 8,511, 11,745.20 and 4,976.16 is: 6,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511 : 11,745.20 = 4,976.16 : x
  2. Step 2: Convert to fraction form
    8,511/11,745.20 = 4,976.16/x
  3. Step 3: Cross multiply
    8,511x = 11,745.20 × 4,976.16
  4. Step 4: Simplify right side
    8,511x = 58,445,994.43
  5. Step 5: Solve for x
    x = 58,445,994.43/8,511
  6. Step 6: Final answer
    x = 6,867.11

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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.