Home / 5,837.79-8,756.76-1,942.20

Finding the Fourth Proportional to 5,837.79, 8,756.76 and 1,942.20

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Solution

The fourth proportional to 5,837.79, 8,756.76 and 1,942.20 is: 2,913.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,837.79 : 8,756.76 = 1,942.20 : x
  2. Step 2: Convert to fraction form
    5,837.79/8,756.76 = 1,942.20/x
  3. Step 3: Cross multiply
    5,837.79x = 8,756.76 × 1,942.20
  4. Step 4: Simplify right side
    5,837.79x = 17,007,338.22
  5. Step 5: Solve for x
    x = 17,007,338.22/5,837.79
  6. Step 6: Final answer
    x = 2,913.32

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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.