Home / 7,829.87-10,805.90-4,293.77

Finding the Fourth Proportional to 7,829.87, 10,805.90 and 4,293.77

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Solution

The fourth proportional to 7,829.87, 10,805.90 and 4,293.77 is: 5,925.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.87 : 10,805.90 = 4,293.77 : x
  2. Step 2: Convert to fraction form
    7,829.87/10,805.90 = 4,293.77/x
  3. Step 3: Cross multiply
    7,829.87x = 10,805.90 × 4,293.77
  4. Step 4: Simplify right side
    7,829.87x = 46,398,049.24
  5. Step 5: Solve for x
    x = 46,398,049.24/7,829.87
  6. Step 6: Final answer
    x = 5,925.78

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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.