Home / 5,007.15-7,511.23-1,889.78

Finding the Fourth Proportional to 5,007.15, 7,511.23 and 1,889.78

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Solution

The fourth proportional to 5,007.15, 7,511.23 and 1,889.78 is: 2,834.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.15 : 7,511.23 = 1,889.78 : x
  2. Step 2: Convert to fraction form
    5,007.15/7,511.23 = 1,889.78/x
  3. Step 3: Cross multiply
    5,007.15x = 7,511.23 × 1,889.78
  4. Step 4: Simplify right side
    5,007.15x = 14,194,534.67
  5. Step 5: Solve for x
    x = 14,194,534.67/5,007.15
  6. Step 6: Final answer
    x = 2,834.86

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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.