Home / 7,930.58-10,943.49-4,392.86

Finding the Fourth Proportional to 7,930.58, 10,943.49 and 4,392.86

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Solution

The fourth proportional to 7,930.58, 10,943.49 and 4,392.86 is: 6,061.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.58 : 10,943.49 = 4,392.86 : x
  2. Step 2: Convert to fraction form
    7,930.58/10,943.49 = 4,392.86/x
  3. Step 3: Cross multiply
    7,930.58x = 10,943.49 × 4,392.86
  4. Step 4: Simplify right side
    7,930.58x = 48,073,219.48
  5. Step 5: Solve for x
    x = 48,073,219.48/7,930.58
  6. Step 6: Final answer
    x = 6,061.75

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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.