Home / 9,188.36-13,783.83-2,946.91

Finding the Fourth Proportional to 9,188.36, 13,783.83 and 2,946.91

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Solution

The fourth proportional to 9,188.36, 13,783.83 and 2,946.91 is: 4,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.36 : 13,783.83 = 2,946.91 : x
  2. Step 2: Convert to fraction form
    9,188.36/13,783.83 = 2,946.91/x
  3. Step 3: Cross multiply
    9,188.36x = 13,783.83 × 2,946.91
  4. Step 4: Simplify right side
    9,188.36x = 40,619,706.47
  5. Step 5: Solve for x
    x = 40,619,706.47/9,188.36
  6. Step 6: Final answer
    x = 4,420.78

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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.