Home / 7,278.24-10,044.63-4,135.44

Finding the Fourth Proportional to 7,278.24, 10,044.63 and 4,135.44

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Solution

The fourth proportional to 7,278.24, 10,044.63 and 4,135.44 is: 5,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.24 : 10,044.63 = 4,135.44 : x
  2. Step 2: Convert to fraction form
    7,278.24/10,044.63 = 4,135.44/x
  3. Step 3: Cross multiply
    7,278.24x = 10,044.63 × 4,135.44
  4. Step 4: Simplify right side
    7,278.24x = 41,538,964.69
  5. Step 5: Solve for x
    x = 41,538,964.69/7,278.24
  6. Step 6: Final answer
    x = 5,707.28

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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.