Home / 7,929.88-10,943.85-4,393.42

Finding the Fourth Proportional to 7,929.88, 10,943.85 and 4,393.42

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Solution

The fourth proportional to 7,929.88, 10,943.85 and 4,393.42 is: 6,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.88 : 10,943.85 = 4,393.42 : x
  2. Step 2: Convert to fraction form
    7,929.88/10,943.85 = 4,393.42/x
  3. Step 3: Cross multiply
    7,929.88x = 10,943.85 × 4,393.42
  4. Step 4: Simplify right side
    7,929.88x = 48,080,929.47
  5. Step 5: Solve for x
    x = 48,080,929.47/7,929.88
  6. Step 6: Final answer
    x = 6,063.26

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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.