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Finding the Fourth Proportional to 8,559.33, 11,811.11 and 4,782.17

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Solution

The fourth proportional to 8,559.33, 11,811.11 and 4,782.17 is: 6,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.33 : 11,811.11 = 4,782.17 : x
  2. Step 2: Convert to fraction form
    8,559.33/11,811.11 = 4,782.17/x
  3. Step 3: Cross multiply
    8,559.33x = 11,811.11 × 4,782.17
  4. Step 4: Simplify right side
    8,559.33x = 56,482,652.94
  5. Step 5: Solve for x
    x = 56,482,652.94/8,559.33
  6. Step 6: Final answer
    x = 6,598.96

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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.