Home / 8,430.08-12,648.96-3,500.82

Finding the Fourth Proportional to 8,430.08, 12,648.96 and 3,500.82

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Solution

The fourth proportional to 8,430.08, 12,648.96 and 3,500.82 is: 5,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.08 : 12,648.96 = 3,500.82 : x
  2. Step 2: Convert to fraction form
    8,430.08/12,648.96 = 3,500.82/x
  3. Step 3: Cross multiply
    8,430.08x = 12,648.96 × 3,500.82
  4. Step 4: Simplify right side
    8,430.08x = 44,281,732.15
  5. Step 5: Solve for x
    x = 44,281,732.15/8,430.08
  6. Step 6: Final answer
    x = 5,252.83

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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.