Home / 5,946.80-8,918.48-1,786.64

Finding the Fourth Proportional to 5,946.80, 8,918.48 and 1,786.64

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Solution

The fourth proportional to 5,946.80, 8,918.48 and 1,786.64 is: 2,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,946.80 : 8,918.48 = 1,786.64 : x
  2. Step 2: Convert to fraction form
    5,946.80/8,918.48 = 1,786.64/x
  3. Step 3: Cross multiply
    5,946.80x = 8,918.48 × 1,786.64
  4. Step 4: Simplify right side
    5,946.80x = 15,934,113.11
  5. Step 5: Solve for x
    x = 15,934,113.11/5,946.80
  6. Step 6: Final answer
    x = 2,679.44

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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.