Home / 7,448.40-11,170.17-3,065.49

Finding the Fourth Proportional to 7,448.40, 11,170.17 and 3,065.49

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Solution

The fourth proportional to 7,448.40, 11,170.17 and 3,065.49 is: 4,597.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.40 : 11,170.17 = 3,065.49 : x
  2. Step 2: Convert to fraction form
    7,448.40/11,170.17 = 3,065.49/x
  3. Step 3: Cross multiply
    7,448.40x = 11,170.17 × 3,065.49
  4. Step 4: Simplify right side
    7,448.40x = 34,242,044.43
  5. Step 5: Solve for x
    x = 34,242,044.43/7,448.40
  6. Step 6: Final answer
    x = 4,597.23

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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.