Home / 4,978.12-7,466.14-1,514.60

Finding the Fourth Proportional to 4,978.12, 7,466.14 and 1,514.60

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Solution

The fourth proportional to 4,978.12, 7,466.14 and 1,514.60 is: 2,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978.12 : 7,466.14 = 1,514.60 : x
  2. Step 2: Convert to fraction form
    4,978.12/7,466.14 = 1,514.60/x
  3. Step 3: Cross multiply
    4,978.12x = 7,466.14 × 1,514.60
  4. Step 4: Simplify right side
    4,978.12x = 11,308,215.64
  5. Step 5: Solve for x
    x = 11,308,215.64/4,978.12
  6. Step 6: Final answer
    x = 2,271.58

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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.