Home / 5,518.83-8,258.79-4,209.87

Finding the Fourth Proportional to 5,518.83, 8,258.79 and 4,209.87

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Solution

The fourth proportional to 5,518.83, 8,258.79 and 4,209.87 is: 6,299.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.83 : 8,258.79 = 4,209.87 : x
  2. Step 2: Convert to fraction form
    5,518.83/8,258.79 = 4,209.87/x
  3. Step 3: Cross multiply
    5,518.83x = 8,258.79 × 4,209.87
  4. Step 4: Simplify right side
    5,518.83x = 34,768,432.26
  5. Step 5: Solve for x
    x = 34,768,432.26/5,518.83
  6. Step 6: Final answer
    x = 6,299.96

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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.