Home / 7,932.78-10,946.19-4,395.54

Finding the Fourth Proportional to 7,932.78, 10,946.19 and 4,395.54

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Solution

The fourth proportional to 7,932.78, 10,946.19 and 4,395.54 is: 6,065.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.78 : 10,946.19 = 4,395.54 : x
  2. Step 2: Convert to fraction form
    7,932.78/10,946.19 = 4,395.54/x
  3. Step 3: Cross multiply
    7,932.78x = 10,946.19 × 4,395.54
  4. Step 4: Simplify right side
    7,932.78x = 48,114,415.99
  5. Step 5: Solve for x
    x = 48,114,415.99/7,932.78
  6. Step 6: Final answer
    x = 6,065.27

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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.