Home / 5,518.34-8,277.44-1,358.40

Finding the Fourth Proportional to 5,518.34, 8,277.44 and 1,358.40

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Solution

The fourth proportional to 5,518.34, 8,277.44 and 1,358.40 is: 2,037.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.34 : 8,277.44 = 1,358.40 : x
  2. Step 2: Convert to fraction form
    5,518.34/8,277.44 = 1,358.40/x
  3. Step 3: Cross multiply
    5,518.34x = 8,277.44 × 1,358.40
  4. Step 4: Simplify right side
    5,518.34x = 11,244,074.50
  5. Step 5: Solve for x
    x = 11,244,074.50/5,518.34
  6. Step 6: Final answer
    x = 2,037.58

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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.