Home / 7,626.71-11,440.81-2,361.51

Finding the Fourth Proportional to 7,626.71, 11,440.81 and 2,361.51

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Solution

The fourth proportional to 7,626.71, 11,440.81 and 2,361.51 is: 3,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.71 : 11,440.81 = 2,361.51 : x
  2. Step 2: Convert to fraction form
    7,626.71/11,440.81 = 2,361.51/x
  3. Step 3: Cross multiply
    7,626.71x = 11,440.81 × 2,361.51
  4. Step 4: Simplify right side
    7,626.71x = 27,017,587.22
  5. Step 5: Solve for x
    x = 27,017,587.22/7,626.71
  6. Step 6: Final answer
    x = 3,542.50

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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.