Home / 5,012.29-6,917.69-2,887.41

Finding the Fourth Proportional to 5,012.29, 6,917.69 and 2,887.41

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Solution

The fourth proportional to 5,012.29, 6,917.69 and 2,887.41 is: 3,985.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.29 : 6,917.69 = 2,887.41 : x
  2. Step 2: Convert to fraction form
    5,012.29/6,917.69 = 2,887.41/x
  3. Step 3: Cross multiply
    5,012.29x = 6,917.69 × 2,887.41
  4. Step 4: Simplify right side
    5,012.29x = 19,974,172.69
  5. Step 5: Solve for x
    x = 19,974,172.69/5,012.29
  6. Step 6: Final answer
    x = 3,985.04

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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.