Home / 8,739.48-13,106.42-2,894.84

Finding the Fourth Proportional to 8,739.48, 13,106.42 and 2,894.84

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Solution

The fourth proportional to 8,739.48, 13,106.42 and 2,894.84 is: 4,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.48 : 13,106.42 = 2,894.84 : x
  2. Step 2: Convert to fraction form
    8,739.48/13,106.42 = 2,894.84/x
  3. Step 3: Cross multiply
    8,739.48x = 13,106.42 × 2,894.84
  4. Step 4: Simplify right side
    8,739.48x = 37,940,988.87
  5. Step 5: Solve for x
    x = 37,940,988.87/8,739.48
  6. Step 6: Final answer
    x = 4,341.33

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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.