Home / 7,378.24-11,069.88-2,448.40

Finding the Fourth Proportional to 7,378.24, 11,069.88 and 2,448.40

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Solution

The fourth proportional to 7,378.24, 11,069.88 and 2,448.40 is: 3,673.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.24 : 11,069.88 = 2,448.40 : x
  2. Step 2: Convert to fraction form
    7,378.24/11,069.88 = 2,448.40/x
  3. Step 3: Cross multiply
    7,378.24x = 11,069.88 × 2,448.40
  4. Step 4: Simplify right side
    7,378.24x = 27,103,494.19
  5. Step 5: Solve for x
    x = 27,103,494.19/7,378.24
  6. Step 6: Final answer
    x = 3,673.44

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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.