Home / 5,176.29-7,759.78-1,887.09

Finding the Fourth Proportional to 5,176.29, 7,759.78 and 1,887.09

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Solution

The fourth proportional to 5,176.29, 7,759.78 and 1,887.09 is: 2,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.29 : 7,759.78 = 1,887.09 : x
  2. Step 2: Convert to fraction form
    5,176.29/7,759.78 = 1,887.09/x
  3. Step 3: Cross multiply
    5,176.29x = 7,759.78 × 1,887.09
  4. Step 4: Simplify right side
    5,176.29x = 14,643,403.24
  5. Step 5: Solve for x
    x = 14,643,403.24/5,176.29
  6. Step 6: Final answer
    x = 2,828.94

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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.