Home / 7,120.36-10,682.14-2,440.68

Finding the Fourth Proportional to 7,120.36, 10,682.14 and 2,440.68

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Solution

The fourth proportional to 7,120.36, 10,682.14 and 2,440.68 is: 3,661.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120.36 : 10,682.14 = 2,440.68 : x
  2. Step 2: Convert to fraction form
    7,120.36/10,682.14 = 2,440.68/x
  3. Step 3: Cross multiply
    7,120.36x = 10,682.14 × 2,440.68
  4. Step 4: Simplify right side
    7,120.36x = 26,071,685.46
  5. Step 5: Solve for x
    x = 26,071,685.46/7,120.36
  6. Step 6: Final answer
    x = 3,661.57

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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.