Home / 7,274.44-10,900.14-4,148.68

Finding the Fourth Proportional to 7,274.44, 10,900.14 and 4,148.68

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Solution

The fourth proportional to 7,274.44, 10,900.14 and 4,148.68 is: 6,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.44 : 10,900.14 = 4,148.68 : x
  2. Step 2: Convert to fraction form
    7,274.44/10,900.14 = 4,148.68/x
  3. Step 3: Cross multiply
    7,274.44x = 10,900.14 × 4,148.68
  4. Step 4: Simplify right side
    7,274.44x = 45,221,192.82
  5. Step 5: Solve for x
    x = 45,221,192.82/7,274.44
  6. Step 6: Final answer
    x = 6,216.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.