Home / 6,905.64-10,360.80-3,012.60

Finding the Fourth Proportional to 6,905.64, 10,360.80 and 3,012.60

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Solution

The fourth proportional to 6,905.64, 10,360.80 and 3,012.60 is: 4,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905.64 : 10,360.80 = 3,012.60 : x
  2. Step 2: Convert to fraction form
    6,905.64/10,360.80 = 3,012.60/x
  3. Step 3: Cross multiply
    6,905.64x = 10,360.80 × 3,012.60
  4. Step 4: Simplify right side
    6,905.64x = 31,212,946.08
  5. Step 5: Solve for x
    x = 31,212,946.08/6,905.64
  6. Step 6: Final answer
    x = 4,519.92

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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.