Home / 7,109.06-10,659.93-4,148.43

Finding the Fourth Proportional to 7,109.06, 10,659.93 and 4,148.43

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Solution

The fourth proportional to 7,109.06, 10,659.93 and 4,148.43 is: 6,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,109.06 : 10,659.93 = 4,148.43 : x
  2. Step 2: Convert to fraction form
    7,109.06/10,659.93 = 4,148.43/x
  3. Step 3: Cross multiply
    7,109.06x = 10,659.93 × 4,148.43
  4. Step 4: Simplify right side
    7,109.06x = 44,221,973.41
  5. Step 5: Solve for x
    x = 44,221,973.41/7,109.06
  6. Step 6: Final answer
    x = 6,220.51

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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.