Home / 4,485.66-6,716.16-3,386.70

Finding the Fourth Proportional to 4,485.66, 6,716.16 and 3,386.70

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Solution

The fourth proportional to 4,485.66, 6,716.16 and 3,386.70 is: 5,070.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.66 : 6,716.16 = 3,386.70 : x
  2. Step 2: Convert to fraction form
    4,485.66/6,716.16 = 3,386.70/x
  3. Step 3: Cross multiply
    4,485.66x = 6,716.16 × 3,386.70
  4. Step 4: Simplify right side
    4,485.66x = 22,745,619.07
  5. Step 5: Solve for x
    x = 22,745,619.07/4,485.66
  6. Step 6: Final answer
    x = 5,070.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.