Home / 7,877.05-11,816.25-2,610.93

Finding the Fourth Proportional to 7,877.05, 11,816.25 and 2,610.93

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Solution

The fourth proportional to 7,877.05, 11,816.25 and 2,610.93 is: 3,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,877.05 : 11,816.25 = 2,610.93 : x
  2. Step 2: Convert to fraction form
    7,877.05/11,816.25 = 2,610.93/x
  3. Step 3: Cross multiply
    7,877.05x = 11,816.25 × 2,610.93
  4. Step 4: Simplify right side
    7,877.05x = 30,851,436.13
  5. Step 5: Solve for x
    x = 30,851,436.13/7,877.05
  6. Step 6: Final answer
    x = 3,916.62

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1.5x scale

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.