Home / 7,854.25-10,839.06-4,317.79

Finding the Fourth Proportional to 7,854.25, 10,839.06 and 4,317.79

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Solution

The fourth proportional to 7,854.25, 10,839.06 and 4,317.79 is: 5,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.25 : 10,839.06 = 4,317.79 : x
  2. Step 2: Convert to fraction form
    7,854.25/10,839.06 = 4,317.79/x
  3. Step 3: Cross multiply
    7,854.25x = 10,839.06 × 4,317.79
  4. Step 4: Simplify right side
    7,854.25x = 46,800,784.88
  5. Step 5: Solve for x
    x = 46,800,784.88/7,854.25
  6. Step 6: Final answer
    x = 5,958.66

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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.