Home / 7,448.20-11,162.70-5,708.20

Finding the Fourth Proportional to 7,448.20, 11,162.70 and 5,708.20

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Solution

The fourth proportional to 7,448.20, 11,162.70 and 5,708.20 is: 8,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.20 : 11,162.70 = 5,708.20 : x
  2. Step 2: Convert to fraction form
    7,448.20/11,162.70 = 5,708.20/x
  3. Step 3: Cross multiply
    7,448.20x = 11,162.70 × 5,708.20
  4. Step 4: Simplify right side
    7,448.20x = 63,718,924.14
  5. Step 5: Solve for x
    x = 63,718,924.14/7,448.20
  6. Step 6: Final answer
    x = 8,554.94

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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.