Home / 7,275.92-10,904.74-3,111.03

Finding the Fourth Proportional to 7,275.92, 10,904.74 and 3,111.03

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Solution

The fourth proportional to 7,275.92, 10,904.74 and 3,111.03 is: 4,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.92 : 10,904.74 = 3,111.03 : x
  2. Step 2: Convert to fraction form
    7,275.92/10,904.74 = 3,111.03/x
  3. Step 3: Cross multiply
    7,275.92x = 10,904.74 × 3,111.03
  4. Step 4: Simplify right side
    7,275.92x = 33,924,957.73
  5. Step 5: Solve for x
    x = 33,924,957.73/7,275.92
  6. Step 6: Final answer
    x = 4,662.64

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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.