Home / 8,795.68-12,138.18-5,260.96

Finding the Fourth Proportional to 8,795.68, 12,138.18 and 5,260.96

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Solution

The fourth proportional to 8,795.68, 12,138.18 and 5,260.96 is: 7,260.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.68 : 12,138.18 = 5,260.96 : x
  2. Step 2: Convert to fraction form
    8,795.68/12,138.18 = 5,260.96/x
  3. Step 3: Cross multiply
    8,795.68x = 12,138.18 × 5,260.96
  4. Step 4: Simplify right side
    8,795.68x = 63,858,479.45
  5. Step 5: Solve for x
    x = 63,858,479.45/8,795.68
  6. Step 6: Final answer
    x = 7,260.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.