Home / 7,771.24-11,657.01-2,840.87

Finding the Fourth Proportional to 7,771.24, 11,657.01 and 2,840.87

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Solution

The fourth proportional to 7,771.24, 11,657.01 and 2,840.87 is: 4,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.24 : 11,657.01 = 2,840.87 : x
  2. Step 2: Convert to fraction form
    7,771.24/11,657.01 = 2,840.87/x
  3. Step 3: Cross multiply
    7,771.24x = 11,657.01 × 2,840.87
  4. Step 4: Simplify right side
    7,771.24x = 33,116,089.79
  5. Step 5: Solve for x
    x = 33,116,089.79/7,771.24
  6. Step 6: Final answer
    x = 4,261.36

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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.