Home / 5,511.19-8,266.85-1,615.68

Finding the Fourth Proportional to 5,511.19, 8,266.85 and 1,615.68

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Solution

The fourth proportional to 5,511.19, 8,266.85 and 1,615.68 is: 2,423.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.19 : 8,266.85 = 1,615.68 : x
  2. Step 2: Convert to fraction form
    5,511.19/8,266.85 = 1,615.68/x
  3. Step 3: Cross multiply
    5,511.19x = 8,266.85 × 1,615.68
  4. Step 4: Simplify right side
    5,511.19x = 13,356,584.21
  5. Step 5: Solve for x
    x = 13,356,584.21/5,511.19
  6. Step 6: Final answer
    x = 2,423.54

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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.