Home / 8,138.62-11,232.93-4,782.52

Finding the Fourth Proportional to 8,138.62, 11,232.93 and 4,782.52

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Solution

The fourth proportional to 8,138.62, 11,232.93 and 4,782.52 is: 6,600.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.62 : 11,232.93 = 4,782.52 : x
  2. Step 2: Convert to fraction form
    8,138.62/11,232.93 = 4,782.52/x
  3. Step 3: Cross multiply
    8,138.62x = 11,232.93 × 4,782.52
  4. Step 4: Simplify right side
    8,138.62x = 53,721,744.36
  5. Step 5: Solve for x
    x = 53,721,744.36/8,138.62
  6. Step 6: Final answer
    x = 6,600.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.