Home / 4,785.83-7,190.02-2,816.51

Finding the Fourth Proportional to 4,785.83, 7,190.02 and 2,816.51

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Solution

The fourth proportional to 4,785.83, 7,190.02 and 2,816.51 is: 4,231.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.83 : 7,190.02 = 2,816.51 : x
  2. Step 2: Convert to fraction form
    4,785.83/7,190.02 = 2,816.51/x
  3. Step 3: Cross multiply
    4,785.83x = 7,190.02 × 2,816.51
  4. Step 4: Simplify right side
    4,785.83x = 20,250,763.23
  5. Step 5: Solve for x
    x = 20,250,763.23/4,785.83
  6. Step 6: Final answer
    x = 4,231.40

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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.