Home / 6,965.03-10,438.07-3,840.36

Finding the Fourth Proportional to 6,965.03, 10,438.07 and 3,840.36

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Solution

The fourth proportional to 6,965.03, 10,438.07 and 3,840.36 is: 5,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.03 : 10,438.07 = 3,840.36 : x
  2. Step 2: Convert to fraction form
    6,965.03/10,438.07 = 3,840.36/x
  3. Step 3: Cross multiply
    6,965.03x = 10,438.07 × 3,840.36
  4. Step 4: Simplify right side
    6,965.03x = 40,085,946.51
  5. Step 5: Solve for x
    x = 40,085,946.51/6,965.03
  6. Step 6: Final answer
    x = 5,755.32

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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.