Home / 8,160.68-11,260.90-4,624.20

Finding the Fourth Proportional to 8,160.68, 11,260.90 and 4,624.20

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Solution

The fourth proportional to 8,160.68, 11,260.90 and 4,624.20 is: 6,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.68 : 11,260.90 = 4,624.20 : x
  2. Step 2: Convert to fraction form
    8,160.68/11,260.90 = 4,624.20/x
  3. Step 3: Cross multiply
    8,160.68x = 11,260.90 × 4,624.20
  4. Step 4: Simplify right side
    8,160.68x = 52,072,653.78
  5. Step 5: Solve for x
    x = 52,072,653.78/8,160.68
  6. Step 6: Final answer
    x = 6,380.92

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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.