Home / 7,822.30-10,794.50-4,285.48

Finding the Fourth Proportional to 7,822.30, 10,794.50 and 4,285.48

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Solution

The fourth proportional to 7,822.30, 10,794.50 and 4,285.48 is: 5,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.30 : 10,794.50 = 4,285.48 : x
  2. Step 2: Convert to fraction form
    7,822.30/10,794.50 = 4,285.48/x
  3. Step 3: Cross multiply
    7,822.30x = 10,794.50 × 4,285.48
  4. Step 4: Simplify right side
    7,822.30x = 46,259,613.86
  5. Step 5: Solve for x
    x = 46,259,613.86/7,822.30
  6. Step 6: Final answer
    x = 5,913.81

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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.