Home / 5,397.63-7,448.13-3,039.72

Finding the Fourth Proportional to 5,397.63, 7,448.13 and 3,039.72

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Solution

The fourth proportional to 5,397.63, 7,448.13 and 3,039.72 is: 4,194.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,397.63 : 7,448.13 = 3,039.72 : x
  2. Step 2: Convert to fraction form
    5,397.63/7,448.13 = 3,039.72/x
  3. Step 3: Cross multiply
    5,397.63x = 7,448.13 × 3,039.72
  4. Step 4: Simplify right side
    5,397.63x = 22,640,229.72
  5. Step 5: Solve for x
    x = 22,640,229.72/5,397.63
  6. Step 6: Final answer
    x = 4,194.48

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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.