Home / 5,542.87-8,307.63-2,421.54

Finding the Fourth Proportional to 5,542.87, 8,307.63 and 2,421.54

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Solution

The fourth proportional to 5,542.87, 8,307.63 and 2,421.54 is: 3,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.87 : 8,307.63 = 2,421.54 : x
  2. Step 2: Convert to fraction form
    5,542.87/8,307.63 = 2,421.54/x
  3. Step 3: Cross multiply
    5,542.87x = 8,307.63 × 2,421.54
  4. Step 4: Simplify right side
    5,542.87x = 20,117,258.35
  5. Step 5: Solve for x
    x = 20,117,258.35/5,542.87
  6. Step 6: Final answer
    x = 3,629.39

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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.