Home / 8,799.86-12,143.82-4,821.26

Finding the Fourth Proportional to 8,799.86, 12,143.82 and 4,821.26

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Solution

The fourth proportional to 8,799.86, 12,143.82 and 4,821.26 is: 6,653.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.86 : 12,143.82 = 4,821.26 : x
  2. Step 2: Convert to fraction form
    8,799.86/12,143.82 = 4,821.26/x
  3. Step 3: Cross multiply
    8,799.86x = 12,143.82 × 4,821.26
  4. Step 4: Simplify right side
    8,799.86x = 58,548,513.61
  5. Step 5: Solve for x
    x = 58,548,513.61/8,799.86
  6. Step 6: Final answer
    x = 6,653.35

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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.