Home / 5,554.10-8,329.30-1,855.31

Finding the Fourth Proportional to 5,554.10, 8,329.30 and 1,855.31

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Solution

The fourth proportional to 5,554.10, 8,329.30 and 1,855.31 is: 2,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,554.10 : 8,329.30 = 1,855.31 : x
  2. Step 2: Convert to fraction form
    5,554.10/8,329.30 = 1,855.31/x
  3. Step 3: Cross multiply
    5,554.10x = 8,329.30 × 1,855.31
  4. Step 4: Simplify right side
    5,554.10x = 15,453,387.30
  5. Step 5: Solve for x
    x = 15,453,387.30/5,554.10
  6. Step 6: Final answer
    x = 2,782.34

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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.