Home / 5,206.77-7,185.66-2,969.08

Finding the Fourth Proportional to 5,206.77, 7,185.66 and 2,969.08

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Solution

The fourth proportional to 5,206.77, 7,185.66 and 2,969.08 is: 4,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,206.77 : 7,185.66 = 2,969.08 : x
  2. Step 2: Convert to fraction form
    5,206.77/7,185.66 = 2,969.08/x
  3. Step 3: Cross multiply
    5,206.77x = 7,185.66 × 2,969.08
  4. Step 4: Simplify right side
    5,206.77x = 21,334,807.21
  5. Step 5: Solve for x
    x = 21,334,807.21/5,206.77
  6. Step 6: Final answer
    x = 4,097.51

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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.