Home / 8,784.18-12,122.19-4,805.33

Finding the Fourth Proportional to 8,784.18, 12,122.19 and 4,805.33

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Solution

The fourth proportional to 8,784.18, 12,122.19 and 4,805.33 is: 6,631.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784.18 : 12,122.19 = 4,805.33 : x
  2. Step 2: Convert to fraction form
    8,784.18/12,122.19 = 4,805.33/x
  3. Step 3: Cross multiply
    8,784.18x = 12,122.19 × 4,805.33
  4. Step 4: Simplify right side
    8,784.18x = 58,251,062.66
  5. Step 5: Solve for x
    x = 58,251,062.66/8,784.18
  6. Step 6: Final answer
    x = 6,631.36

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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.