Home / 7,927.88-10,940.47-4,391.31

Finding the Fourth Proportional to 7,927.88, 10,940.47 and 4,391.31

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Solution

The fourth proportional to 7,927.88, 10,940.47 and 4,391.31 is: 6,060.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.88 : 10,940.47 = 4,391.31 : x
  2. Step 2: Convert to fraction form
    7,927.88/10,940.47 = 4,391.31/x
  3. Step 3: Cross multiply
    7,927.88x = 10,940.47 × 4,391.31
  4. Step 4: Simplify right side
    7,927.88x = 48,043,025.36
  5. Step 5: Solve for x
    x = 48,043,025.36/7,927.88
  6. Step 6: Final answer
    x = 6,060.01

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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.