Home / 5,391.35-8,084.15-4,768.16

Finding the Fourth Proportional to 5,391.35, 8,084.15 and 4,768.16

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Solution

The fourth proportional to 5,391.35, 8,084.15 and 4,768.16 is: 7,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391.35 : 8,084.15 = 4,768.16 : x
  2. Step 2: Convert to fraction form
    5,391.35/8,084.15 = 4,768.16/x
  3. Step 3: Cross multiply
    5,391.35x = 8,084.15 × 4,768.16
  4. Step 4: Simplify right side
    5,391.35x = 38,546,474.28
  5. Step 5: Solve for x
    x = 38,546,474.28/5,391.35
  6. Step 6: Final answer
    x = 7,149.69

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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.