Home / 7,022.17-9,690.33-3,835.36

Finding the Fourth Proportional to 7,022.17, 9,690.33 and 3,835.36

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Solution

The fourth proportional to 7,022.17, 9,690.33 and 3,835.36 is: 5,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.17 : 9,690.33 = 3,835.36 : x
  2. Step 2: Convert to fraction form
    7,022.17/9,690.33 = 3,835.36/x
  3. Step 3: Cross multiply
    7,022.17x = 9,690.33 × 3,835.36
  4. Step 4: Simplify right side
    7,022.17x = 37,165,904.07
  5. Step 5: Solve for x
    x = 37,165,904.07/7,022.17
  6. Step 6: Final answer
    x = 5,292.65

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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.