Home / 7,457.74-11,184.84-2,779.94

Finding the Fourth Proportional to 7,457.74, 11,184.84 and 2,779.94

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Solution

The fourth proportional to 7,457.74, 11,184.84 and 2,779.94 is: 4,169.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.74 : 11,184.84 = 2,779.94 : x
  2. Step 2: Convert to fraction form
    7,457.74/11,184.84 = 2,779.94/x
  3. Step 3: Cross multiply
    7,457.74x = 11,184.84 × 2,779.94
  4. Step 4: Simplify right side
    7,457.74x = 31,093,212.07
  5. Step 5: Solve for x
    x = 31,093,212.07/7,457.74
  6. Step 6: Final answer
    x = 4,169.26

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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.