Home / 7,110-9,809.28-4,456.44

Finding the Fourth Proportional to 7,110, 9,809.28 and 4,456.44

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Solution

The fourth proportional to 7,110, 9,809.28 and 4,456.44 is: 6,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110 : 9,809.28 = 4,456.44 : x
  2. Step 2: Convert to fraction form
    7,110/9,809.28 = 4,456.44/x
  3. Step 3: Cross multiply
    7,110x = 9,809.28 × 4,456.44
  4. Step 4: Simplify right side
    7,110x = 43,714,467.76
  5. Step 5: Solve for x
    x = 43,714,467.76/7,110
  6. Step 6: Final answer
    x = 6,148.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.