Home / 8,845.82-12,209.80-5,070.84

Finding the Fourth Proportional to 8,845.82, 12,209.80 and 5,070.84

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Solution

The fourth proportional to 8,845.82, 12,209.80 and 5,070.84 is: 6,999.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.82 : 12,209.80 = 5,070.84 : x
  2. Step 2: Convert to fraction form
    8,845.82/12,209.80 = 5,070.84/x
  3. Step 3: Cross multiply
    8,845.82x = 12,209.80 × 5,070.84
  4. Step 4: Simplify right side
    8,845.82x = 61,913,942.23
  5. Step 5: Solve for x
    x = 61,913,942.23/8,845.82
  6. Step 6: Final answer
    x = 6,999.23

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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.