Home / 6,877.06-10,312.49-1,945.53

Finding the Fourth Proportional to 6,877.06, 10,312.49 and 1,945.53

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Solution

The fourth proportional to 6,877.06, 10,312.49 and 1,945.53 is: 2,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.06 : 10,312.49 = 1,945.53 : x
  2. Step 2: Convert to fraction form
    6,877.06/10,312.49 = 1,945.53/x
  3. Step 3: Cross multiply
    6,877.06x = 10,312.49 × 1,945.53
  4. Step 4: Simplify right side
    6,877.06x = 20,063,263.53
  5. Step 5: Solve for x
    x = 20,063,263.53/6,877.06
  6. Step 6: Final answer
    x = 2,917.42

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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.