Home / 8,212.58-11,329.30-4,853.77

Finding the Fourth Proportional to 8,212.58, 11,329.30 and 4,853.77

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Solution

The fourth proportional to 8,212.58, 11,329.30 and 4,853.77 is: 6,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.58 : 11,329.30 = 4,853.77 : x
  2. Step 2: Convert to fraction form
    8,212.58/11,329.30 = 4,853.77/x
  3. Step 3: Cross multiply
    8,212.58x = 11,329.30 × 4,853.77
  4. Step 4: Simplify right side
    8,212.58x = 54,989,816.46
  5. Step 5: Solve for x
    x = 54,989,816.46/8,212.58
  6. Step 6: Final answer
    x = 6,695.80

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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.