Home / 7,945.07-11,916.67-2,102.13

Finding the Fourth Proportional to 7,945.07, 11,916.67 and 2,102.13

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Solution

The fourth proportional to 7,945.07, 11,916.67 and 2,102.13 is: 3,152.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.07 : 11,916.67 = 2,102.13 : x
  2. Step 2: Convert to fraction form
    7,945.07/11,916.67 = 2,102.13/x
  3. Step 3: Cross multiply
    7,945.07x = 11,916.67 × 2,102.13
  4. Step 4: Simplify right side
    7,945.07x = 25,050,389.51
  5. Step 5: Solve for x
    x = 25,050,389.51/7,945.07
  6. Step 6: Final answer
    x = 3,152.95

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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.