Home / 8,376.16-11,556.74-5,393.72

Finding the Fourth Proportional to 8,376.16, 11,556.74 and 5,393.72

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Solution

The fourth proportional to 8,376.16, 11,556.74 and 5,393.72 is: 7,441.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.16 : 11,556.74 = 5,393.72 : x
  2. Step 2: Convert to fraction form
    8,376.16/11,556.74 = 5,393.72/x
  3. Step 3: Cross multiply
    8,376.16x = 11,556.74 × 5,393.72
  4. Step 4: Simplify right side
    8,376.16x = 62,333,734.92
  5. Step 5: Solve for x
    x = 62,333,734.92/8,376.16
  6. Step 6: Final answer
    x = 7,441.81

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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.