Home / 5,666.39-8,499.74-2,155.95

Finding the Fourth Proportional to 5,666.39, 8,499.74 and 2,155.95

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Solution

The fourth proportional to 5,666.39, 8,499.74 and 2,155.95 is: 3,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.39 : 8,499.74 = 2,155.95 : x
  2. Step 2: Convert to fraction form
    5,666.39/8,499.74 = 2,155.95/x
  3. Step 3: Cross multiply
    5,666.39x = 8,499.74 × 2,155.95
  4. Step 4: Simplify right side
    5,666.39x = 18,325,003.67
  5. Step 5: Solve for x
    x = 18,325,003.67/5,666.39
  6. Step 6: Final answer
    x = 3,233.98

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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.