Home / 5,316.36-7,974.57-1,853.64

Finding the Fourth Proportional to 5,316.36, 7,974.57 and 1,853.64

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Solution

The fourth proportional to 5,316.36, 7,974.57 and 1,853.64 is: 2,780.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.36 : 7,974.57 = 1,853.64 : x
  2. Step 2: Convert to fraction form
    5,316.36/7,974.57 = 1,853.64/x
  3. Step 3: Cross multiply
    5,316.36x = 7,974.57 × 1,853.64
  4. Step 4: Simplify right side
    5,316.36x = 14,781,981.93
  5. Step 5: Solve for x
    x = 14,781,981.93/5,316.36
  6. Step 6: Final answer
    x = 2,780.47

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Similar ratio
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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.