Home / 7,821.97-10,785.72-6,025.54

Finding the Fourth Proportional to 7,821.97, 10,785.72 and 6,025.54

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Solution

The fourth proportional to 7,821.97, 10,785.72 and 6,025.54 is: 8,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.97 : 10,785.72 = 6,025.54 : x
  2. Step 2: Convert to fraction form
    7,821.97/10,785.72 = 6,025.54/x
  3. Step 3: Cross multiply
    7,821.97x = 10,785.72 × 6,025.54
  4. Step 4: Simplify right side
    7,821.97x = 64,989,803.14
  5. Step 5: Solve for x
    x = 64,989,803.14/7,821.97
  6. Step 6: Final answer
    x = 8,308.63

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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.