Home / 7,287.28-10,056.90-4,144.48

Finding the Fourth Proportional to 7,287.28, 10,056.90 and 4,144.48

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Solution

The fourth proportional to 7,287.28, 10,056.90 and 4,144.48 is: 5,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.28 : 10,056.90 = 4,144.48 : x
  2. Step 2: Convert to fraction form
    7,287.28/10,056.90 = 4,144.48/x
  3. Step 3: Cross multiply
    7,287.28x = 10,056.90 × 4,144.48
  4. Step 4: Simplify right side
    7,287.28x = 41,680,620.91
  5. Step 5: Solve for x
    x = 41,680,620.91/7,287.28
  6. Step 6: Final answer
    x = 5,719.64

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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.