Home / 7,846.85-10,828.61-4,261.78

Finding the Fourth Proportional to 7,846.85, 10,828.61 and 4,261.78

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Solution

The fourth proportional to 7,846.85, 10,828.61 and 4,261.78 is: 5,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.85 : 10,828.61 = 4,261.78 : x
  2. Step 2: Convert to fraction form
    7,846.85/10,828.61 = 4,261.78/x
  3. Step 3: Cross multiply
    7,846.85x = 10,828.61 × 4,261.78
  4. Step 4: Simplify right side
    7,846.85x = 46,149,078.07
  5. Step 5: Solve for x
    x = 46,149,078.07/7,846.85
  6. Step 6: Final answer
    x = 5,881.22

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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.