Home / 5,511.76-8,267.52-2,587.98

Finding the Fourth Proportional to 5,511.76, 8,267.52 and 2,587.98

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Solution

The fourth proportional to 5,511.76, 8,267.52 and 2,587.98 is: 3,881.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.76 : 8,267.52 = 2,587.98 : x
  2. Step 2: Convert to fraction form
    5,511.76/8,267.52 = 2,587.98/x
  3. Step 3: Cross multiply
    5,511.76x = 8,267.52 × 2,587.98
  4. Step 4: Simplify right side
    5,511.76x = 21,396,176.41
  5. Step 5: Solve for x
    x = 21,396,176.41/5,511.76
  6. Step 6: Final answer
    x = 3,881.91

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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.