Home / 9,219.62-13,831.59-2,645.63

Finding the Fourth Proportional to 9,219.62, 13,831.59 and 2,645.63

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Solution

The fourth proportional to 9,219.62, 13,831.59 and 2,645.63 is: 3,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.62 : 13,831.59 = 2,645.63 : x
  2. Step 2: Convert to fraction form
    9,219.62/13,831.59 = 2,645.63/x
  3. Step 3: Cross multiply
    9,219.62x = 13,831.59 × 2,645.63
  4. Step 4: Simplify right side
    9,219.62x = 36,593,200.29
  5. Step 5: Solve for x
    x = 36,593,200.29/9,219.62
  6. Step 6: Final answer
    x = 3,969.06

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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.