Home / 7,272.06-10,035.43-4,128.25

Finding the Fourth Proportional to 7,272.06, 10,035.43 and 4,128.25

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Solution

The fourth proportional to 7,272.06, 10,035.43 and 4,128.25 is: 5,696.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.06 : 10,035.43 = 4,128.25 : x
  2. Step 2: Convert to fraction form
    7,272.06/10,035.43 = 4,128.25/x
  3. Step 3: Cross multiply
    7,272.06x = 10,035.43 × 4,128.25
  4. Step 4: Simplify right side
    7,272.06x = 41,428,770.53
  5. Step 5: Solve for x
    x = 41,428,770.53/7,272.06
  6. Step 6: Final answer
    x = 5,696.98

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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.