Home / 7,674.98-11,513.55-3,779.42

Finding the Fourth Proportional to 7,674.98, 11,513.55 and 3,779.42

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Solution

The fourth proportional to 7,674.98, 11,513.55 and 3,779.42 is: 5,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.98 : 11,513.55 = 3,779.42 : x
  2. Step 2: Convert to fraction form
    7,674.98/11,513.55 = 3,779.42/x
  3. Step 3: Cross multiply
    7,674.98x = 11,513.55 × 3,779.42
  4. Step 4: Simplify right side
    7,674.98x = 43,514,541.14
  5. Step 5: Solve for x
    x = 43,514,541.14/7,674.98
  6. Step 6: Final answer
    x = 5,669.66

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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.