Home / 7,639.50-11,460.72-3,693.48

Finding the Fourth Proportional to 7,639.50, 11,460.72 and 3,693.48

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Solution

The fourth proportional to 7,639.50, 11,460.72 and 3,693.48 is: 5,540.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.50 : 11,460.72 = 3,693.48 : x
  2. Step 2: Convert to fraction form
    7,639.50/11,460.72 = 3,693.48/x
  3. Step 3: Cross multiply
    7,639.50x = 11,460.72 × 3,693.48
  4. Step 4: Simplify right side
    7,639.50x = 42,329,940.11
  5. Step 5: Solve for x
    x = 42,329,940.11/7,639.50
  6. Step 6: Final answer
    x = 5,540.93

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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.