Home / 7,444.44-10,273.40-4,087.20

Finding the Fourth Proportional to 7,444.44, 10,273.40 and 4,087.20

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Solution

The fourth proportional to 7,444.44, 10,273.40 and 4,087.20 is: 5,640.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.44 : 10,273.40 = 4,087.20 : x
  2. Step 2: Convert to fraction form
    7,444.44/10,273.40 = 4,087.20/x
  3. Step 3: Cross multiply
    7,444.44x = 10,273.40 × 4,087.20
  4. Step 4: Simplify right side
    7,444.44x = 41,989,440.48
  5. Step 5: Solve for x
    x = 41,989,440.48/7,444.44
  6. Step 6: Final answer
    x = 5,640.38

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Half scale
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Double scale
Find fourth proportional to 7,445.44, 10,274.78 and 4,088.20
Similar ratio
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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.