Home / 5,679.22-8,518.86-1,783.94

Finding the Fourth Proportional to 5,679.22, 8,518.86 and 1,783.94

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Solution

The fourth proportional to 5,679.22, 8,518.86 and 1,783.94 is: 2,675.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.22 : 8,518.86 = 1,783.94 : x
  2. Step 2: Convert to fraction form
    5,679.22/8,518.86 = 1,783.94/x
  3. Step 3: Cross multiply
    5,679.22x = 8,518.86 × 1,783.94
  4. Step 4: Simplify right side
    5,679.22x = 15,197,135.11
  5. Step 5: Solve for x
    x = 15,197,135.11/5,679.22
  6. Step 6: Final answer
    x = 2,675.92

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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.