Home / 5,477.08-8,214.84-1,779.34

Finding the Fourth Proportional to 5,477.08, 8,214.84 and 1,779.34

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Solution

The fourth proportional to 5,477.08, 8,214.84 and 1,779.34 is: 2,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.08 : 8,214.84 = 1,779.34 : x
  2. Step 2: Convert to fraction form
    5,477.08/8,214.84 = 1,779.34/x
  3. Step 3: Cross multiply
    5,477.08x = 8,214.84 × 1,779.34
  4. Step 4: Simplify right side
    5,477.08x = 14,616,993.41
  5. Step 5: Solve for x
    x = 14,616,993.41/5,477.08
  6. Step 6: Final answer
    x = 2,668.76

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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.