Home / 7,378.28-10,181.77-4,021.03

Finding the Fourth Proportional to 7,378.28, 10,181.77 and 4,021.03

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Solution

The fourth proportional to 7,378.28, 10,181.77 and 4,021.03 is: 5,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.28 : 10,181.77 = 4,021.03 : x
  2. Step 2: Convert to fraction form
    7,378.28/10,181.77 = 4,021.03/x
  3. Step 3: Cross multiply
    7,378.28x = 10,181.77 × 4,021.03
  4. Step 4: Simplify right side
    7,378.28x = 40,941,182.19
  5. Step 5: Solve for x
    x = 40,941,182.19/7,378.28
  6. Step 6: Final answer
    x = 5,548.88

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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.