Home / 6,391.48-9,580.84-4,306.54

Finding the Fourth Proportional to 6,391.48, 9,580.84 and 4,306.54

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Solution

The fourth proportional to 6,391.48, 9,580.84 and 4,306.54 is: 6,455.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,391.48 : 9,580.84 = 4,306.54 : x
  2. Step 2: Convert to fraction form
    6,391.48/9,580.84 = 4,306.54/x
  3. Step 3: Cross multiply
    6,391.48x = 9,580.84 × 4,306.54
  4. Step 4: Simplify right side
    6,391.48x = 41,260,270.69
  5. Step 5: Solve for x
    x = 41,260,270.69/6,391.48
  6. Step 6: Final answer
    x = 6,455.51

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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.