Home / 8,043.90-11,100.78-4,507.08

Finding the Fourth Proportional to 8,043.90, 11,100.78 and 4,507.08

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Solution

The fourth proportional to 8,043.90, 11,100.78 and 4,507.08 is: 6,219.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,043.90 : 11,100.78 = 4,507.08 : x
  2. Step 2: Convert to fraction form
    8,043.90/11,100.78 = 4,507.08/x
  3. Step 3: Cross multiply
    8,043.90x = 11,100.78 × 4,507.08
  4. Step 4: Simplify right side
    8,043.90x = 50,032,103.52
  5. Step 5: Solve for x
    x = 50,032,103.52/8,043.90
  6. Step 6: Final answer
    x = 6,219.88

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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.