Home / 7,708.21-10,636.72-4,351.84

Finding the Fourth Proportional to 7,708.21, 10,636.72 and 4,351.84

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Solution

The fourth proportional to 7,708.21, 10,636.72 and 4,351.84 is: 6,005.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.21 : 10,636.72 = 4,351.84 : x
  2. Step 2: Convert to fraction form
    7,708.21/10,636.72 = 4,351.84/x
  3. Step 3: Cross multiply
    7,708.21x = 10,636.72 × 4,351.84
  4. Step 4: Simplify right side
    7,708.21x = 46,289,303.56
  5. Step 5: Solve for x
    x = 46,289,303.56/7,708.21
  6. Step 6: Final answer
    x = 6,005.19

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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.