Home / 5,143.74-7,099.35-3,281.82

Finding the Fourth Proportional to 5,143.74, 7,099.35 and 3,281.82

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Solution

The fourth proportional to 5,143.74, 7,099.35 and 3,281.82 is: 4,529.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.74 : 7,099.35 = 3,281.82 : x
  2. Step 2: Convert to fraction form
    5,143.74/7,099.35 = 3,281.82/x
  3. Step 3: Cross multiply
    5,143.74x = 7,099.35 × 3,281.82
  4. Step 4: Simplify right side
    5,143.74x = 23,298,788.82
  5. Step 5: Solve for x
    x = 23,298,788.82/5,143.74
  6. Step 6: Final answer
    x = 4,529.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.