Home / 7,563.71-11,346.93-3,121.36

Finding the Fourth Proportional to 7,563.71, 11,346.93 and 3,121.36

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Solution

The fourth proportional to 7,563.71, 11,346.93 and 3,121.36 is: 4,682.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.71 : 11,346.93 = 3,121.36 : x
  2. Step 2: Convert to fraction form
    7,563.71/11,346.93 = 3,121.36/x
  3. Step 3: Cross multiply
    7,563.71x = 11,346.93 × 3,121.36
  4. Step 4: Simplify right side
    7,563.71x = 35,417,825.06
  5. Step 5: Solve for x
    x = 35,417,825.06/7,563.71
  6. Step 6: Final answer
    x = 4,682.60

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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.