Home / 5,477.31-8,216.25-1,779.26

Finding the Fourth Proportional to 5,477.31, 8,216.25 and 1,779.26

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Solution

The fourth proportional to 5,477.31, 8,216.25 and 1,779.26 is: 2,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.31 : 8,216.25 = 1,779.26 : x
  2. Step 2: Convert to fraction form
    5,477.31/8,216.25 = 1,779.26/x
  3. Step 3: Cross multiply
    5,477.31x = 8,216.25 × 1,779.26
  4. Step 4: Simplify right side
    5,477.31x = 14,618,865.52
  5. Step 5: Solve for x
    x = 14,618,865.52/5,477.31
  6. Step 6: Final answer
    x = 2,668.99

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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.