Home / 6,247.56-8,621.70-3,453.16

Finding the Fourth Proportional to 6,247.56, 8,621.70 and 3,453.16

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Solution

The fourth proportional to 6,247.56, 8,621.70 and 3,453.16 is: 4,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.56 : 8,621.70 = 3,453.16 : x
  2. Step 2: Convert to fraction form
    6,247.56/8,621.70 = 3,453.16/x
  3. Step 3: Cross multiply
    6,247.56x = 8,621.70 × 3,453.16
  4. Step 4: Simplify right side
    6,247.56x = 29,772,109.57
  5. Step 5: Solve for x
    x = 29,772,109.57/6,247.56
  6. Step 6: Final answer
    x = 4,765.40

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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.