Home / 7,825.32-10,798.84-4,288.44

Finding the Fourth Proportional to 7,825.32, 10,798.84 and 4,288.44

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Solution

The fourth proportional to 7,825.32, 10,798.84 and 4,288.44 is: 5,917.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.32 : 10,798.84 = 4,288.44 : x
  2. Step 2: Convert to fraction form
    7,825.32/10,798.84 = 4,288.44/x
  3. Step 3: Cross multiply
    7,825.32x = 10,798.84 × 4,288.44
  4. Step 4: Simplify right side
    7,825.32x = 46,310,177.41
  5. Step 5: Solve for x
    x = 46,310,177.41/7,825.32
  6. Step 6: Final answer
    x = 5,917.99

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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.