Home / 7,183-9,913.62-4,390.12

Finding the Fourth Proportional to 7,183, 9,913.62 and 4,390.12

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Solution

The fourth proportional to 7,183, 9,913.62 and 4,390.12 is: 6,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,183 : 9,913.62 = 4,390.12 : x
  2. Step 2: Convert to fraction form
    7,183/9,913.62 = 4,390.12/x
  3. Step 3: Cross multiply
    7,183x = 9,913.62 × 4,390.12
  4. Step 4: Simplify right side
    7,183x = 43,521,981.43
  5. Step 5: Solve for x
    x = 43,521,981.43/7,183
  6. Step 6: Final answer
    x = 6,059.03

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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.