Home / 5,511.68-8,270.08-4,131.52

Finding the Fourth Proportional to 5,511.68, 8,270.08 and 4,131.52

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Solution

The fourth proportional to 5,511.68, 8,270.08 and 4,131.52 is: 6,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.68 : 8,270.08 = 4,131.52 : x
  2. Step 2: Convert to fraction form
    5,511.68/8,270.08 = 4,131.52/x
  3. Step 3: Cross multiply
    5,511.68x = 8,270.08 × 4,131.52
  4. Step 4: Simplify right side
    5,511.68x = 34,168,000.92
  5. Step 5: Solve for x
    x = 34,168,000.92/5,511.68
  6. Step 6: Final answer
    x = 6,199.20

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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.