Home / 7,925.70-10,939.41-4,782.90

Finding the Fourth Proportional to 7,925.70, 10,939.41 and 4,782.90

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Solution

The fourth proportional to 7,925.70, 10,939.41 and 4,782.90 is: 6,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.70 : 10,939.41 = 4,782.90 : x
  2. Step 2: Convert to fraction form
    7,925.70/10,939.41 = 4,782.90/x
  3. Step 3: Cross multiply
    7,925.70x = 10,939.41 × 4,782.90
  4. Step 4: Simplify right side
    7,925.70x = 52,322,104.09
  5. Step 5: Solve for x
    x = 52,322,104.09/7,925.70
  6. Step 6: Final answer
    x = 6,601.58

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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.