Home / 6,309.56-8,707.23-3,515.06

Finding the Fourth Proportional to 6,309.56, 8,707.23 and 3,515.06

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Solution

The fourth proportional to 6,309.56, 8,707.23 and 3,515.06 is: 4,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.56 : 8,707.23 = 3,515.06 : x
  2. Step 2: Convert to fraction form
    6,309.56/8,707.23 = 3,515.06/x
  3. Step 3: Cross multiply
    6,309.56x = 8,707.23 × 3,515.06
  4. Step 4: Simplify right side
    6,309.56x = 30,606,457.65
  5. Step 5: Solve for x
    x = 30,606,457.65/6,309.56
  6. Step 6: Final answer
    x = 4,850.81

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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.