Home / 5,779.54-8,667.79-2,081.08

Finding the Fourth Proportional to 5,779.54, 8,667.79 and 2,081.08

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Solution

The fourth proportional to 5,779.54, 8,667.79 and 2,081.08 is: 3,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,779.54 : 8,667.79 = 2,081.08 : x
  2. Step 2: Convert to fraction form
    5,779.54/8,667.79 = 2,081.08/x
  3. Step 3: Cross multiply
    5,779.54x = 8,667.79 × 2,081.08
  4. Step 4: Simplify right side
    5,779.54x = 18,038,364.41
  5. Step 5: Solve for x
    x = 18,038,364.41/5,779.54
  6. Step 6: Final answer
    x = 3,121.07

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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.