Home / 8,790.09-13,185.23-2,946.53

Finding the Fourth Proportional to 8,790.09, 13,185.23 and 2,946.53

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Solution

The fourth proportional to 8,790.09, 13,185.23 and 2,946.53 is: 4,419.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.09 : 13,185.23 = 2,946.53 : x
  2. Step 2: Convert to fraction form
    8,790.09/13,185.23 = 2,946.53/x
  3. Step 3: Cross multiply
    8,790.09x = 13,185.23 × 2,946.53
  4. Step 4: Simplify right side
    8,790.09x = 38,850,595.09
  5. Step 5: Solve for x
    x = 38,850,595.09/8,790.09
  6. Step 6: Final answer
    x = 4,419.82

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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.