Home / 4,779.07-7,169.06-1,857.60

Finding the Fourth Proportional to 4,779.07, 7,169.06 and 1,857.60

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Solution

The fourth proportional to 4,779.07, 7,169.06 and 1,857.60 is: 2,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.07 : 7,169.06 = 1,857.60 : x
  2. Step 2: Convert to fraction form
    4,779.07/7,169.06 = 1,857.60/x
  3. Step 3: Cross multiply
    4,779.07x = 7,169.06 × 1,857.60
  4. Step 4: Simplify right side
    4,779.07x = 13,317,236.57
  5. Step 5: Solve for x
    x = 13,317,236.57/4,779.07
  6. Step 6: Final answer
    x = 2,786.58

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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.