Home / 8,852.60-13,278.86-4,221.56

Finding the Fourth Proportional to 8,852.60, 13,278.86 and 4,221.56

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Solution

The fourth proportional to 8,852.60, 13,278.86 and 4,221.56 is: 6,332.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.60 : 13,278.86 = 4,221.56 : x
  2. Step 2: Convert to fraction form
    8,852.60/13,278.86 = 4,221.56/x
  3. Step 3: Cross multiply
    8,852.60x = 13,278.86 × 4,221.56
  4. Step 4: Simplify right side
    8,852.60x = 56,057,504.22
  5. Step 5: Solve for x
    x = 56,057,504.22/8,852.60
  6. Step 6: Final answer
    x = 6,332.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.