Home / 6,518.86-9,778.26-4,579.72

Finding the Fourth Proportional to 6,518.86, 9,778.26 and 4,579.72

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Solution

The fourth proportional to 6,518.86, 9,778.26 and 4,579.72 is: 6,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.86 : 9,778.26 = 4,579.72 : x
  2. Step 2: Convert to fraction form
    6,518.86/9,778.26 = 4,579.72/x
  3. Step 3: Cross multiply
    6,518.86x = 9,778.26 × 4,579.72
  4. Step 4: Simplify right side
    6,518.86x = 44,781,692.89
  5. Step 5: Solve for x
    x = 44,781,692.89/6,518.86
  6. Step 6: Final answer
    x = 6,869.56

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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.