Home / 7,921.17-10,930.07-4,384.37

Finding the Fourth Proportional to 7,921.17, 10,930.07 and 4,384.37

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Solution

The fourth proportional to 7,921.17, 10,930.07 and 4,384.37 is: 6,049.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.17 : 10,930.07 = 4,384.37 : x
  2. Step 2: Convert to fraction form
    7,921.17/10,930.07 = 4,384.37/x
  3. Step 3: Cross multiply
    7,921.17x = 10,930.07 × 4,384.37
  4. Step 4: Simplify right side
    7,921.17x = 47,921,471.01
  5. Step 5: Solve for x
    x = 47,921,471.01/7,921.17
  6. Step 6: Final answer
    x = 6,049.80

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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.