Home / 7,460.91-11,191.67-2,779.82

Finding the Fourth Proportional to 7,460.91, 11,191.67 and 2,779.82

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Solution

The fourth proportional to 7,460.91, 11,191.67 and 2,779.82 is: 4,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,460.91 : 11,191.67 = 2,779.82 : x
  2. Step 2: Convert to fraction form
    7,460.91/11,191.67 = 2,779.82/x
  3. Step 3: Cross multiply
    7,460.91x = 11,191.67 × 2,779.82
  4. Step 4: Simplify right side
    7,460.91x = 31,110,810.64
  5. Step 5: Solve for x
    x = 31,110,810.64/7,460.91
  6. Step 6: Final answer
    x = 4,169.84

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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.