Home / 7,015.64-10,518.58-3,550.52

Finding the Fourth Proportional to 7,015.64, 10,518.58 and 3,550.52

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Solution

The fourth proportional to 7,015.64, 10,518.58 and 3,550.52 is: 5,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.64 : 10,518.58 = 3,550.52 : x
  2. Step 2: Convert to fraction form
    7,015.64/10,518.58 = 3,550.52/x
  3. Step 3: Cross multiply
    7,015.64x = 10,518.58 × 3,550.52
  4. Step 4: Simplify right side
    7,015.64x = 37,346,428.66
  5. Step 5: Solve for x
    x = 37,346,428.66/7,015.64
  6. Step 6: Final answer
    x = 5,323.31

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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.