Home / 7,847.12-10,829.07-4,262.09

Finding the Fourth Proportional to 7,847.12, 10,829.07 and 4,262.09

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Solution

The fourth proportional to 7,847.12, 10,829.07 and 4,262.09 is: 5,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.12 : 10,829.07 = 4,262.09 : x
  2. Step 2: Convert to fraction form
    7,847.12/10,829.07 = 4,262.09/x
  3. Step 3: Cross multiply
    7,847.12x = 10,829.07 × 4,262.09
  4. Step 4: Simplify right side
    7,847.12x = 46,154,449.65
  5. Step 5: Solve for x
    x = 46,154,449.65/7,847.12
  6. Step 6: Final answer
    x = 5,881.71

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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.