Home / 8,735.75-12,054.29-5,147.99

Finding the Fourth Proportional to 8,735.75, 12,054.29 and 5,147.99

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Solution

The fourth proportional to 8,735.75, 12,054.29 and 5,147.99 is: 7,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.75 : 12,054.29 = 5,147.99 : x
  2. Step 2: Convert to fraction form
    8,735.75/12,054.29 = 5,147.99/x
  3. Step 3: Cross multiply
    8,735.75x = 12,054.29 × 5,147.99
  4. Step 4: Simplify right side
    8,735.75x = 62,055,278.37
  5. Step 5: Solve for x
    x = 62,055,278.37/8,735.75
  6. Step 6: Final answer
    x = 7,103.60

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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.