Home / 7,775.36-11,664.21-2,777.35

Finding the Fourth Proportional to 7,775.36, 11,664.21 and 2,777.35

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Solution

The fourth proportional to 7,775.36, 11,664.21 and 2,777.35 is: 4,166.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.36 : 11,664.21 = 2,777.35 : x
  2. Step 2: Convert to fraction form
    7,775.36/11,664.21 = 2,777.35/x
  3. Step 3: Cross multiply
    7,775.36x = 11,664.21 × 2,777.35
  4. Step 4: Simplify right side
    7,775.36x = 32,395,535.32
  5. Step 5: Solve for x
    x = 32,395,535.32/7,775.36
  6. Step 6: Final answer
    x = 4,166.44

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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.