Home / 7,853.74-11,782.35-2,588.54

Finding the Fourth Proportional to 7,853.74, 11,782.35 and 2,588.54

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Solution

The fourth proportional to 7,853.74, 11,782.35 and 2,588.54 is: 3,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.74 : 11,782.35 = 2,588.54 : x
  2. Step 2: Convert to fraction form
    7,853.74/11,782.35 = 2,588.54/x
  3. Step 3: Cross multiply
    7,853.74x = 11,782.35 × 2,588.54
  4. Step 4: Simplify right side
    7,853.74x = 30,499,084.27
  5. Step 5: Solve for x
    x = 30,499,084.27/7,853.74
  6. Step 6: Final answer
    x = 3,883.38

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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.