Home / 4,856.45-7,287.91-2,666.71

Finding the Fourth Proportional to 4,856.45, 7,287.91 and 2,666.71

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Solution

The fourth proportional to 4,856.45, 7,287.91 and 2,666.71 is: 4,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.45 : 7,287.91 = 2,666.71 : x
  2. Step 2: Convert to fraction form
    4,856.45/7,287.91 = 2,666.71/x
  3. Step 3: Cross multiply
    4,856.45x = 7,287.91 × 2,666.71
  4. Step 4: Simplify right side
    4,856.45x = 19,434,717.59
  5. Step 5: Solve for x
    x = 19,434,717.59/4,856.45
  6. Step 6: Final answer
    x = 4,001.84

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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.