Home / 5,185.76-7,779.06-2,266.11

Finding the Fourth Proportional to 5,185.76, 7,779.06 and 2,266.11

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Solution

The fourth proportional to 5,185.76, 7,779.06 and 2,266.11 is: 3,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185.76 : 7,779.06 = 2,266.11 : x
  2. Step 2: Convert to fraction form
    5,185.76/7,779.06 = 2,266.11/x
  3. Step 3: Cross multiply
    5,185.76x = 7,779.06 × 2,266.11
  4. Step 4: Simplify right side
    5,185.76x = 17,628,205.66
  5. Step 5: Solve for x
    x = 17,628,205.66/5,185.76
  6. Step 6: Final answer
    x = 3,399.35

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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.