Home / 5,007.88-7,512.86-1,887.85

Finding the Fourth Proportional to 5,007.88, 7,512.86 and 1,887.85

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Solution

The fourth proportional to 5,007.88, 7,512.86 and 1,887.85 is: 2,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.88 : 7,512.86 = 1,887.85 : x
  2. Step 2: Convert to fraction form
    5,007.88/7,512.86 = 1,887.85/x
  3. Step 3: Cross multiply
    5,007.88x = 7,512.86 × 1,887.85
  4. Step 4: Simplify right side
    5,007.88x = 14,183,152.75
  5. Step 5: Solve for x
    x = 14,183,152.75/5,007.88
  6. Step 6: Final answer
    x = 2,832.17

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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.