Home / 4,389.05-6,055.67-2,620.01

Finding the Fourth Proportional to 4,389.05, 6,055.67 and 2,620.01

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Solution

The fourth proportional to 4,389.05, 6,055.67 and 2,620.01 is: 3,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,389.05 : 6,055.67 = 2,620.01 : x
  2. Step 2: Convert to fraction form
    4,389.05/6,055.67 = 2,620.01/x
  3. Step 3: Cross multiply
    4,389.05x = 6,055.67 × 2,620.01
  4. Step 4: Simplify right side
    4,389.05x = 15,865,900.20
  5. Step 5: Solve for x
    x = 15,865,900.20/4,389.05
  6. Step 6: Final answer
    x = 3,614.88

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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.