Home / 8,475.96-12,709.86-2,631.48

Finding the Fourth Proportional to 8,475.96, 12,709.86 and 2,631.48

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Solution

The fourth proportional to 8,475.96, 12,709.86 and 2,631.48 is: 3,945.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.96 : 12,709.86 = 2,631.48 : x
  2. Step 2: Convert to fraction form
    8,475.96/12,709.86 = 2,631.48/x
  3. Step 3: Cross multiply
    8,475.96x = 12,709.86 × 2,631.48
  4. Step 4: Simplify right side
    8,475.96x = 33,445,742.39
  5. Step 5: Solve for x
    x = 33,445,742.39/8,475.96
  6. Step 6: Final answer
    x = 3,945.95

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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.