Home / 4,785.28-6,607.20-2,924.80

Finding the Fourth Proportional to 4,785.28, 6,607.20 and 2,924.80

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Solution

The fourth proportional to 4,785.28, 6,607.20 and 2,924.80 is: 4,038.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.28 : 6,607.20 = 2,924.80 : x
  2. Step 2: Convert to fraction form
    4,785.28/6,607.20 = 2,924.80/x
  3. Step 3: Cross multiply
    4,785.28x = 6,607.20 × 2,924.80
  4. Step 4: Simplify right side
    4,785.28x = 19,324,738.56
  5. Step 5: Solve for x
    x = 19,324,738.56/4,785.28
  6. Step 6: Final answer
    x = 4,038.37

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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.