Home / 6,079.77-8,389.61-3,561.56

Finding the Fourth Proportional to 6,079.77, 8,389.61 and 3,561.56

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Solution

The fourth proportional to 6,079.77, 8,389.61 and 3,561.56 is: 4,914.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.77 : 8,389.61 = 3,561.56 : x
  2. Step 2: Convert to fraction form
    6,079.77/8,389.61 = 3,561.56/x
  3. Step 3: Cross multiply
    6,079.77x = 8,389.61 × 3,561.56
  4. Step 4: Simplify right side
    6,079.77x = 29,880,039.64
  5. Step 5: Solve for x
    x = 29,880,039.64/6,079.77
  6. Step 6: Final answer
    x = 4,914.67

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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.