Home / 6,433.09-8,880.57-3,780.67

Finding the Fourth Proportional to 6,433.09, 8,880.57 and 3,780.67

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Solution

The fourth proportional to 6,433.09, 8,880.57 and 3,780.67 is: 5,219.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.09 : 8,880.57 = 3,780.67 : x
  2. Step 2: Convert to fraction form
    6,433.09/8,880.57 = 3,780.67/x
  3. Step 3: Cross multiply
    6,433.09x = 8,880.57 × 3,780.67
  4. Step 4: Simplify right side
    6,433.09x = 33,574,504.58
  5. Step 5: Solve for x
    x = 33,574,504.58/6,433.09
  6. Step 6: Final answer
    x = 5,219.03

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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.