Home / 7,860.24-10,847-4,716.48

Finding the Fourth Proportional to 7,860.24, 10,847 and 4,716.48

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Solution

The fourth proportional to 7,860.24, 10,847 and 4,716.48 is: 6,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.24 : 10,847 = 4,716.48 : x
  2. Step 2: Convert to fraction form
    7,860.24/10,847 = 4,716.48/x
  3. Step 3: Cross multiply
    7,860.24x = 10,847 × 4,716.48
  4. Step 4: Simplify right side
    7,860.24x = 51,159,658.56
  5. Step 5: Solve for x
    x = 51,159,658.56/7,860.24
  6. Step 6: Final answer
    x = 6,508.66

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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.