Home / 7,778.06-11,638.37-4,660.27

Finding the Fourth Proportional to 7,778.06, 11,638.37 and 4,660.27

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Solution

The fourth proportional to 7,778.06, 11,638.37 and 4,660.27 is: 6,973.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.06 : 11,638.37 = 4,660.27 : x
  2. Step 2: Convert to fraction form
    7,778.06/11,638.37 = 4,660.27/x
  3. Step 3: Cross multiply
    7,778.06x = 11,638.37 × 4,660.27
  4. Step 4: Simplify right side
    7,778.06x = 54,237,888.37
  5. Step 5: Solve for x
    x = 54,237,888.37/7,778.06
  6. Step 6: Final answer
    x = 6,973.19

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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.