Home / 4,772.28-7,158.46-1,485.24

Finding the Fourth Proportional to 4,772.28, 7,158.46 and 1,485.24

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Solution

The fourth proportional to 4,772.28, 7,158.46 and 1,485.24 is: 2,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,772.28 : 7,158.46 = 1,485.24 : x
  2. Step 2: Convert to fraction form
    4,772.28/7,158.46 = 1,485.24/x
  3. Step 3: Cross multiply
    4,772.28x = 7,158.46 × 1,485.24
  4. Step 4: Simplify right side
    4,772.28x = 10,632,031.13
  5. Step 5: Solve for x
    x = 10,632,031.13/4,772.28
  6. Step 6: Final answer
    x = 2,227.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.