Home / 4,245.55-6,365.76-1,779.10

Finding the Fourth Proportional to 4,245.55, 6,365.76 and 1,779.10

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Solution

The fourth proportional to 4,245.55, 6,365.76 and 1,779.10 is: 2,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.55 : 6,365.76 = 1,779.10 : x
  2. Step 2: Convert to fraction form
    4,245.55/6,365.76 = 1,779.10/x
  3. Step 3: Cross multiply
    4,245.55x = 6,365.76 × 1,779.10
  4. Step 4: Simplify right side
    4,245.55x = 11,325,323.62
  5. Step 5: Solve for x
    x = 11,325,323.62/4,245.55
  6. Step 6: Final answer
    x = 2,667.58

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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.