Home / 8,790.98-13,185.05-3,246.93

Finding the Fourth Proportional to 8,790.98, 13,185.05 and 3,246.93

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Solution

The fourth proportional to 8,790.98, 13,185.05 and 3,246.93 is: 4,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.98 : 13,185.05 = 3,246.93 : x
  2. Step 2: Convert to fraction form
    8,790.98/13,185.05 = 3,246.93/x
  3. Step 3: Cross multiply
    8,790.98x = 13,185.05 × 3,246.93
  4. Step 4: Simplify right side
    8,790.98x = 42,810,955.24
  5. Step 5: Solve for x
    x = 42,810,955.24/8,790.98
  6. Step 6: Final answer
    x = 4,869.87

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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.