Home / 8,621.61-11,897.83-4,844.77

Finding the Fourth Proportional to 8,621.61, 11,897.83 and 4,844.77

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Solution

The fourth proportional to 8,621.61, 11,897.83 and 4,844.77 is: 6,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.61 : 11,897.83 = 4,844.77 : x
  2. Step 2: Convert to fraction form
    8,621.61/11,897.83 = 4,844.77/x
  3. Step 3: Cross multiply
    8,621.61x = 11,897.83 × 4,844.77
  4. Step 4: Simplify right side
    8,621.61x = 57,642,249.85
  5. Step 5: Solve for x
    x = 57,642,249.85/8,621.61
  6. Step 6: Final answer
    x = 6,685.79

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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.