Home / 5,380.84-8,035.73-4,342.12

Finding the Fourth Proportional to 5,380.84, 8,035.73 and 4,342.12

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Solution

The fourth proportional to 5,380.84, 8,035.73 and 4,342.12 is: 6,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.84 : 8,035.73 = 4,342.12 : x
  2. Step 2: Convert to fraction form
    5,380.84/8,035.73 = 4,342.12/x
  3. Step 3: Cross multiply
    5,380.84x = 8,035.73 × 4,342.12
  4. Step 4: Simplify right side
    5,380.84x = 34,892,103.95
  5. Step 5: Solve for x
    x = 34,892,103.95/5,380.84
  6. Step 6: Final answer
    x = 6,484.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.