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Finding the Fourth Proportional to 5,766.95, 8,662.17 and 5,088.98

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Solution

The fourth proportional to 5,766.95, 8,662.17 and 5,088.98 is: 7,643.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,766.95 : 8,662.17 = 5,088.98 : x
  2. Step 2: Convert to fraction form
    5,766.95/8,662.17 = 5,088.98/x
  3. Step 3: Cross multiply
    5,766.95x = 8,662.17 × 5,088.98
  4. Step 4: Simplify right side
    5,766.95x = 44,081,566.58
  5. Step 5: Solve for x
    x = 44,081,566.58/5,766.95
  6. Step 6: Final answer
    x = 7,643.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.