Home / 6,991.16-9,647.65-3,804.51

Finding the Fourth Proportional to 6,991.16, 9,647.65 and 3,804.51

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Solution

The fourth proportional to 6,991.16, 9,647.65 and 3,804.51 is: 5,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.16 : 9,647.65 = 3,804.51 : x
  2. Step 2: Convert to fraction form
    6,991.16/9,647.65 = 3,804.51/x
  3. Step 3: Cross multiply
    6,991.16x = 9,647.65 × 3,804.51
  4. Step 4: Simplify right side
    6,991.16x = 36,704,571.39
  5. Step 5: Solve for x
    x = 36,704,571.39/6,991.16
  6. Step 6: Final answer
    x = 5,250.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.