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Finding the Fourth Proportional to 8,319.58, 11,482.98 and 4,784.83

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Solution

The fourth proportional to 8,319.58, 11,482.98 and 4,784.83 is: 6,604.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.58 : 11,482.98 = 4,784.83 : x
  2. Step 2: Convert to fraction form
    8,319.58/11,482.98 = 4,784.83/x
  3. Step 3: Cross multiply
    8,319.58x = 11,482.98 × 4,784.83
  4. Step 4: Simplify right side
    8,319.58x = 54,944,107.19
  5. Step 5: Solve for x
    x = 54,944,107.19/8,319.58
  6. Step 6: Final answer
    x = 6,604.19

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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.