Home / 8,110.48-12,167.34-3,430.47

Finding the Fourth Proportional to 8,110.48, 12,167.34 and 3,430.47

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Solution

The fourth proportional to 8,110.48, 12,167.34 and 3,430.47 is: 5,146.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.48 : 12,167.34 = 3,430.47 : x
  2. Step 2: Convert to fraction form
    8,110.48/12,167.34 = 3,430.47/x
  3. Step 3: Cross multiply
    8,110.48x = 12,167.34 × 3,430.47
  4. Step 4: Simplify right side
    8,110.48x = 41,739,678.47
  5. Step 5: Solve for x
    x = 41,739,678.47/8,110.48
  6. Step 6: Final answer
    x = 5,146.39

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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.