Home / 7,016.40-10,505.16-3,536.64

Finding the Fourth Proportional to 7,016.40, 10,505.16 and 3,536.64

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Solution

The fourth proportional to 7,016.40, 10,505.16 and 3,536.64 is: 5,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.40 : 10,505.16 = 3,536.64 : x
  2. Step 2: Convert to fraction form
    7,016.40/10,505.16 = 3,536.64/x
  3. Step 3: Cross multiply
    7,016.40x = 10,505.16 × 3,536.64
  4. Step 4: Simplify right side
    7,016.40x = 37,152,969.06
  5. Step 5: Solve for x
    x = 37,152,969.06/7,016.40
  6. Step 6: Final answer
    x = 5,295.16

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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.