Home / 7,828.92-10,805.88-4,684.56

Finding the Fourth Proportional to 7,828.92, 10,805.88 and 4,684.56

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Solution

The fourth proportional to 7,828.92, 10,805.88 and 4,684.56 is: 6,465.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828.92 : 10,805.88 = 4,684.56 : x
  2. Step 2: Convert to fraction form
    7,828.92/10,805.88 = 4,684.56/x
  3. Step 3: Cross multiply
    7,828.92x = 10,805.88 × 4,684.56
  4. Step 4: Simplify right side
    7,828.92x = 50,620,793.21
  5. Step 5: Solve for x
    x = 50,620,793.21/7,828.92
  6. Step 6: Final answer
    x = 6,465.87

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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.