Home / 5,679.12-8,518.77-1,730.46

Finding the Fourth Proportional to 5,679.12, 8,518.77 and 1,730.46

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Solution

The fourth proportional to 5,679.12, 8,518.77 and 1,730.46 is: 2,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.12 : 8,518.77 = 1,730.46 : x
  2. Step 2: Convert to fraction form
    5,679.12/8,518.77 = 1,730.46/x
  3. Step 3: Cross multiply
    5,679.12x = 8,518.77 × 1,730.46
  4. Step 4: Simplify right side
    5,679.12x = 14,741,390.73
  5. Step 5: Solve for x
    x = 14,741,390.73/5,679.12
  6. Step 6: Final answer
    x = 2,595.72

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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.