Home / 7,152.74-10,722.75-2,707.31

Finding the Fourth Proportional to 7,152.74, 10,722.75 and 2,707.31

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Solution

The fourth proportional to 7,152.74, 10,722.75 and 2,707.31 is: 4,058.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,152.74 : 10,722.75 = 2,707.31 : x
  2. Step 2: Convert to fraction form
    7,152.74/10,722.75 = 2,707.31/x
  3. Step 3: Cross multiply
    7,152.74x = 10,722.75 × 2,707.31
  4. Step 4: Simplify right side
    7,152.74x = 29,029,802.91
  5. Step 5: Solve for x
    x = 29,029,802.91/7,152.74
  6. Step 6: Final answer
    x = 4,058.56

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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.