Home / 9,406.78-14,110.76-3,166.28

Finding the Fourth Proportional to 9,406.78, 14,110.76 and 3,166.28

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Solution

The fourth proportional to 9,406.78, 14,110.76 and 3,166.28 is: 4,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,406.78 : 14,110.76 = 3,166.28 : x
  2. Step 2: Convert to fraction form
    9,406.78/14,110.76 = 3,166.28/x
  3. Step 3: Cross multiply
    9,406.78x = 14,110.76 × 3,166.28
  4. Step 4: Simplify right side
    9,406.78x = 44,678,617.17
  5. Step 5: Solve for x
    x = 44,678,617.17/9,406.78
  6. Step 6: Final answer
    x = 4,749.62

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1.5x scale

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.