Home / 8,955.66-13,439.61-3,112.26

Finding the Fourth Proportional to 8,955.66, 13,439.61 and 3,112.26

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Solution

The fourth proportional to 8,955.66, 13,439.61 and 3,112.26 is: 4,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.66 : 13,439.61 = 3,112.26 : x
  2. Step 2: Convert to fraction form
    8,955.66/13,439.61 = 3,112.26/x
  3. Step 3: Cross multiply
    8,955.66x = 13,439.61 × 3,112.26
  4. Step 4: Simplify right side
    8,955.66x = 41,827,560.62
  5. Step 5: Solve for x
    x = 41,827,560.62/8,955.66
  6. Step 6: Final answer
    x = 4,670.52

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1.5x scale

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.