Home / 7,107.48-10,645.72-5,860.88

Finding the Fourth Proportional to 7,107.48, 10,645.72 and 5,860.88

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Solution

The fourth proportional to 7,107.48, 10,645.72 and 5,860.88 is: 8,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.48 : 10,645.72 = 5,860.88 : x
  2. Step 2: Convert to fraction form
    7,107.48/10,645.72 = 5,860.88/x
  3. Step 3: Cross multiply
    7,107.48x = 10,645.72 × 5,860.88
  4. Step 4: Simplify right side
    7,107.48x = 62,393,287.43
  5. Step 5: Solve for x
    x = 62,393,287.43/7,107.48
  6. Step 6: Final answer
    x = 8,778.54

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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.