Home / 8,955.41-13,428.50-4,020.83

Finding the Fourth Proportional to 8,955.41, 13,428.50 and 4,020.83

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Solution

The fourth proportional to 8,955.41, 13,428.50 and 4,020.83 is: 6,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.41 : 13,428.50 = 4,020.83 : x
  2. Step 2: Convert to fraction form
    8,955.41/13,428.50 = 4,020.83/x
  3. Step 3: Cross multiply
    8,955.41x = 13,428.50 × 4,020.83
  4. Step 4: Simplify right side
    8,955.41x = 53,993,715.66
  5. Step 5: Solve for x
    x = 53,993,715.66/8,955.41
  6. Step 6: Final answer
    x = 6,029.17

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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.