Home / 8,400.80-11,594.85-5,043.75

Finding the Fourth Proportional to 8,400.80, 11,594.85 and 5,043.75

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Solution

The fourth proportional to 8,400.80, 11,594.85 and 5,043.75 is: 6,961.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.80 : 11,594.85 = 5,043.75 : x
  2. Step 2: Convert to fraction form
    8,400.80/11,594.85 = 5,043.75/x
  3. Step 3: Cross multiply
    8,400.80x = 11,594.85 × 5,043.75
  4. Step 4: Simplify right side
    8,400.80x = 58,481,587.08
  5. Step 5: Solve for x
    x = 58,481,587.08/8,400.80
  6. Step 6: Final answer
    x = 6,961.43

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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.