Home / 5,677.61-8,515.10-2,166.34

Finding the Fourth Proportional to 5,677.61, 8,515.10 and 2,166.34

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Solution

The fourth proportional to 5,677.61, 8,515.10 and 2,166.34 is: 3,249.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677.61 : 8,515.10 = 2,166.34 : x
  2. Step 2: Convert to fraction form
    5,677.61/8,515.10 = 2,166.34/x
  3. Step 3: Cross multiply
    5,677.61x = 8,515.10 × 2,166.34
  4. Step 4: Simplify right side
    5,677.61x = 18,446,585.86
  5. Step 5: Solve for x
    x = 18,446,585.86/5,677.61
  6. Step 6: Final answer
    x = 3,249.00

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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.