Home / 6,905.84-10,359.36-1,975.64

Finding the Fourth Proportional to 6,905.84, 10,359.36 and 1,975.64

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Solution

The fourth proportional to 6,905.84, 10,359.36 and 1,975.64 is: 2,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.84 : 10,359.36 = 1,975.64 : x
  2. Step 2: Convert to fraction form
    6,905.84/10,359.36 = 1,975.64/x
  3. Step 3: Cross multiply
    6,905.84x = 10,359.36 × 1,975.64
  4. Step 4: Simplify right side
    6,905.84x = 20,466,314.19
  5. Step 5: Solve for x
    x = 20,466,314.19/6,905.84
  6. Step 6: Final answer
    x = 2,963.63

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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.