Home / 5,556.49-8,333.52-1,661.20

Finding the Fourth Proportional to 5,556.49, 8,333.52 and 1,661.20

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Solution

The fourth proportional to 5,556.49, 8,333.52 and 1,661.20 is: 2,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.49 : 8,333.52 = 1,661.20 : x
  2. Step 2: Convert to fraction form
    5,556.49/8,333.52 = 1,661.20/x
  3. Step 3: Cross multiply
    5,556.49x = 8,333.52 × 1,661.20
  4. Step 4: Simplify right side
    5,556.49x = 13,843,643.42
  5. Step 5: Solve for x
    x = 13,843,643.42/5,556.49
  6. Step 6: Final answer
    x = 2,491.44

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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.