Home / 6,877.24-10,314.71-1,945.65

Finding the Fourth Proportional to 6,877.24, 10,314.71 and 1,945.65

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Solution

The fourth proportional to 6,877.24, 10,314.71 and 1,945.65 is: 2,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,877.24 : 10,314.71 = 1,945.65 : x
  2. Step 2: Convert to fraction form
    6,877.24/10,314.71 = 1,945.65/x
  3. Step 3: Cross multiply
    6,877.24x = 10,314.71 × 1,945.65
  4. Step 4: Simplify right side
    6,877.24x = 20,068,851.76
  5. Step 5: Solve for x
    x = 20,068,851.76/6,877.24
  6. Step 6: Final answer
    x = 2,918.16

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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.