Home / 9,188.36-13,781.80-2,946.70

Finding the Fourth Proportional to 9,188.36, 13,781.80 and 2,946.70

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Solution

The fourth proportional to 9,188.36, 13,781.80 and 2,946.70 is: 4,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,188.36 : 13,781.80 = 2,946.70 : x
  2. Step 2: Convert to fraction form
    9,188.36/13,781.80 = 2,946.70/x
  3. Step 3: Cross multiply
    9,188.36x = 13,781.80 × 2,946.70
  4. Step 4: Simplify right side
    9,188.36x = 40,610,830.06
  5. Step 5: Solve for x
    x = 40,610,830.06/9,188.36
  6. Step 6: Final answer
    x = 4,419.81

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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.