Home / 5,503.84-8,258.56-2,219.20

Finding the Fourth Proportional to 5,503.84, 8,258.56 and 2,219.20

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Solution

The fourth proportional to 5,503.84, 8,258.56 and 2,219.20 is: 3,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.84 : 8,258.56 = 2,219.20 : x
  2. Step 2: Convert to fraction form
    5,503.84/8,258.56 = 2,219.20/x
  3. Step 3: Cross multiply
    5,503.84x = 8,258.56 × 2,219.20
  4. Step 4: Simplify right side
    5,503.84x = 18,327,396.35
  5. Step 5: Solve for x
    x = 18,327,396.35/5,503.84
  6. Step 6: Final answer
    x = 3,329.93

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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.