Home / 5,511.48-8,270.26-2,391.52

Finding the Fourth Proportional to 5,511.48, 8,270.26 and 2,391.52

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Solution

The fourth proportional to 5,511.48, 8,270.26 and 2,391.52 is: 3,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.48 : 8,270.26 = 2,391.52 : x
  2. Step 2: Convert to fraction form
    5,511.48/8,270.26 = 2,391.52/x
  3. Step 3: Cross multiply
    5,511.48x = 8,270.26 × 2,391.52
  4. Step 4: Simplify right side
    5,511.48x = 19,778,492.20
  5. Step 5: Solve for x
    x = 19,778,492.20/5,511.48
  6. Step 6: Final answer
    x = 3,588.60

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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.