Home / 7,426.14-11,139.21-3,528.42

Finding the Fourth Proportional to 7,426.14, 11,139.21 and 3,528.42

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Solution

The fourth proportional to 7,426.14, 11,139.21 and 3,528.42 is: 5,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.14 : 11,139.21 = 3,528.42 : x
  2. Step 2: Convert to fraction form
    7,426.14/11,139.21 = 3,528.42/x
  3. Step 3: Cross multiply
    7,426.14x = 11,139.21 × 3,528.42
  4. Step 4: Simplify right side
    7,426.14x = 39,303,811.35
  5. Step 5: Solve for x
    x = 39,303,811.35/7,426.14
  6. Step 6: Final answer
    x = 5,292.63

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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.