Home / 7,853.36-11,779.73-2,659.23

Finding the Fourth Proportional to 7,853.36, 11,779.73 and 2,659.23

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Solution

The fourth proportional to 7,853.36, 11,779.73 and 2,659.23 is: 3,988.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.36 : 11,779.73 = 2,659.23 : x
  2. Step 2: Convert to fraction form
    7,853.36/11,779.73 = 2,659.23/x
  3. Step 3: Cross multiply
    7,853.36x = 11,779.73 × 2,659.23
  4. Step 4: Simplify right side
    7,853.36x = 31,325,008.08
  5. Step 5: Solve for x
    x = 31,325,008.08/7,853.36
  6. Step 6: Final answer
    x = 3,988.74

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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.