Home / 4,261.36-6,389.87-1,950.88

Finding the Fourth Proportional to 4,261.36, 6,389.87 and 1,950.88

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Solution

The fourth proportional to 4,261.36, 6,389.87 and 1,950.88 is: 2,925.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.36 : 6,389.87 = 1,950.88 : x
  2. Step 2: Convert to fraction form
    4,261.36/6,389.87 = 1,950.88/x
  3. Step 3: Cross multiply
    4,261.36x = 6,389.87 × 1,950.88
  4. Step 4: Simplify right side
    4,261.36x = 12,465,869.59
  5. Step 5: Solve for x
    x = 12,465,869.59/4,261.36
  6. Step 6: Final answer
    x = 2,925.33

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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.