Home / 7,828.79-10,803.85-4,291.79

Finding the Fourth Proportional to 7,828.79, 10,803.85 and 4,291.79

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Solution

The fourth proportional to 7,828.79, 10,803.85 and 4,291.79 is: 5,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.79 : 10,803.85 = 4,291.79 : x
  2. Step 2: Convert to fraction form
    7,828.79/10,803.85 = 4,291.79/x
  3. Step 3: Cross multiply
    7,828.79x = 10,803.85 × 4,291.79
  4. Step 4: Simplify right side
    7,828.79x = 46,367,790.64
  5. Step 5: Solve for x
    x = 46,367,790.64/7,828.79
  6. Step 6: Final answer
    x = 5,922.73

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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.