Home / 5,511.85-8,267.76-1,407.85

Finding the Fourth Proportional to 5,511.85, 8,267.76 and 1,407.85

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Solution

The fourth proportional to 5,511.85, 8,267.76 and 1,407.85 is: 2,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.85 : 8,267.76 = 1,407.85 : x
  2. Step 2: Convert to fraction form
    5,511.85/8,267.76 = 1,407.85/x
  3. Step 3: Cross multiply
    5,511.85x = 8,267.76 × 1,407.85
  4. Step 4: Simplify right side
    5,511.85x = 11,639,765.92
  5. Step 5: Solve for x
    x = 11,639,765.92/5,511.85
  6. Step 6: Final answer
    x = 2,111.77

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Similar ratio
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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.