Home / 8,799.83-12,143.90-4,821.32

Finding the Fourth Proportional to 8,799.83, 12,143.90 and 4,821.32

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Solution

The fourth proportional to 8,799.83, 12,143.90 and 4,821.32 is: 6,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.83 : 12,143.90 = 4,821.32 : x
  2. Step 2: Convert to fraction form
    8,799.83/12,143.90 = 4,821.32/x
  3. Step 3: Cross multiply
    8,799.83x = 12,143.90 × 4,821.32
  4. Step 4: Simplify right side
    8,799.83x = 58,549,627.95
  5. Step 5: Solve for x
    x = 58,549,627.95/8,799.83
  6. Step 6: Final answer
    x = 6,653.50

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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.