Home / 4,969.74-7,450.29-2,779.50

Finding the Fourth Proportional to 4,969.74, 7,450.29 and 2,779.50

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Solution

The fourth proportional to 4,969.74, 7,450.29 and 2,779.50 is: 4,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.74 : 7,450.29 = 2,779.50 : x
  2. Step 2: Convert to fraction form
    4,969.74/7,450.29 = 2,779.50/x
  3. Step 3: Cross multiply
    4,969.74x = 7,450.29 × 2,779.50
  4. Step 4: Simplify right side
    4,969.74x = 20,708,081.06
  5. Step 5: Solve for x
    x = 20,708,081.06/4,969.74
  6. Step 6: Final answer
    x = 4,166.83

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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.