Home / 8,945.51-12,342.58-5,361.04

Finding the Fourth Proportional to 8,945.51, 12,342.58 and 5,361.04

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Solution

The fourth proportional to 8,945.51, 12,342.58 and 5,361.04 is: 7,396.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.51 : 12,342.58 = 5,361.04 : x
  2. Step 2: Convert to fraction form
    8,945.51/12,342.58 = 5,361.04/x
  3. Step 3: Cross multiply
    8,945.51x = 12,342.58 × 5,361.04
  4. Step 4: Simplify right side
    8,945.51x = 66,168,976.57
  5. Step 5: Solve for x
    x = 66,168,976.57/8,945.51
  6. Step 6: Final answer
    x = 7,396.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.