Home / 6,322.80-8,725.44-3,490.35

Finding the Fourth Proportional to 6,322.80, 8,725.44 and 3,490.35

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Solution

The fourth proportional to 6,322.80, 8,725.44 and 3,490.35 is: 4,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.80 : 8,725.44 = 3,490.35 : x
  2. Step 2: Convert to fraction form
    6,322.80/8,725.44 = 3,490.35/x
  3. Step 3: Cross multiply
    6,322.80x = 8,725.44 × 3,490.35
  4. Step 4: Simplify right side
    6,322.80x = 30,454,839.50
  5. Step 5: Solve for x
    x = 30,454,839.50/6,322.80
  6. Step 6: Final answer
    x = 4,816.67

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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.