Home / 7,853.19-11,779.74-2,009.79

Finding the Fourth Proportional to 7,853.19, 11,779.74 and 2,009.79

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Solution

The fourth proportional to 7,853.19, 11,779.74 and 2,009.79 is: 3,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.19 : 11,779.74 = 2,009.79 : x
  2. Step 2: Convert to fraction form
    7,853.19/11,779.74 = 2,009.79/x
  3. Step 3: Cross multiply
    7,853.19x = 11,779.74 × 2,009.79
  4. Step 4: Simplify right side
    7,853.19x = 23,674,803.65
  5. Step 5: Solve for x
    x = 23,674,803.65/7,853.19
  6. Step 6: Final answer
    x = 3,014.67

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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.