Home / 4,519.01-6,767.51-3,128.45

Finding the Fourth Proportional to 4,519.01, 6,767.51 and 3,128.45

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Solution

The fourth proportional to 4,519.01, 6,767.51 and 3,128.45 is: 4,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.01 : 6,767.51 = 3,128.45 : x
  2. Step 2: Convert to fraction form
    4,519.01/6,767.51 = 3,128.45/x
  3. Step 3: Cross multiply
    4,519.01x = 6,767.51 × 3,128.45
  4. Step 4: Simplify right side
    4,519.01x = 21,171,767.18
  5. Step 5: Solve for x
    x = 21,171,767.18/4,519.01
  6. Step 6: Final answer
    x = 4,685.05

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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.