Home / 7,735.36-11,618.88-5,106.72

Finding the Fourth Proportional to 7,735.36, 11,618.88 and 5,106.72

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Solution

The fourth proportional to 7,735.36, 11,618.88 and 5,106.72 is: 7,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,735.36 : 11,618.88 = 5,106.72 : x
  2. Step 2: Convert to fraction form
    7,735.36/11,618.88 = 5,106.72/x
  3. Step 3: Cross multiply
    7,735.36x = 11,618.88 × 5,106.72
  4. Step 4: Simplify right side
    7,735.36x = 59,334,366.87
  5. Step 5: Solve for x
    x = 59,334,366.87/7,735.36
  6. Step 6: Final answer
    x = 7,670.54

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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.