Home / 5,407.24-8,110.98-1,511.56

Finding the Fourth Proportional to 5,407.24, 8,110.98 and 1,511.56

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Solution

The fourth proportional to 5,407.24, 8,110.98 and 1,511.56 is: 2,267.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.24 : 8,110.98 = 1,511.56 : x
  2. Step 2: Convert to fraction form
    5,407.24/8,110.98 = 1,511.56/x
  3. Step 3: Cross multiply
    5,407.24x = 8,110.98 × 1,511.56
  4. Step 4: Simplify right side
    5,407.24x = 12,260,232.93
  5. Step 5: Solve for x
    x = 12,260,232.93/5,407.24
  6. Step 6: Final answer
    x = 2,267.37

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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.