Home / 6,180.78-8,529.48-3,528.14

Finding the Fourth Proportional to 6,180.78, 8,529.48 and 3,528.14

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Solution

The fourth proportional to 6,180.78, 8,529.48 and 3,528.14 is: 4,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,180.78 : 8,529.48 = 3,528.14 : x
  2. Step 2: Convert to fraction form
    6,180.78/8,529.48 = 3,528.14/x
  3. Step 3: Cross multiply
    6,180.78x = 8,529.48 × 3,528.14
  4. Step 4: Simplify right side
    6,180.78x = 30,093,199.57
  5. Step 5: Solve for x
    x = 30,093,199.57/6,180.78
  6. Step 6: Final answer
    x = 4,868.84

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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.