Home / 8,816.12-12,166.80-4,837.64

Finding the Fourth Proportional to 8,816.12, 12,166.80 and 4,837.64

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Solution

The fourth proportional to 8,816.12, 12,166.80 and 4,837.64 is: 6,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.12 : 12,166.80 = 4,837.64 : x
  2. Step 2: Convert to fraction form
    8,816.12/12,166.80 = 4,837.64/x
  3. Step 3: Cross multiply
    8,816.12x = 12,166.80 × 4,837.64
  4. Step 4: Simplify right side
    8,816.12x = 58,858,598.35
  5. Step 5: Solve for x
    x = 58,858,598.35/8,816.12
  6. Step 6: Final answer
    x = 6,676.25

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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.