Home / 8,015.79-11,061.73-4,430.73

Finding the Fourth Proportional to 8,015.79, 11,061.73 and 4,430.73

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Solution

The fourth proportional to 8,015.79, 11,061.73 and 4,430.73 is: 6,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.79 : 11,061.73 = 4,430.73 : x
  2. Step 2: Convert to fraction form
    8,015.79/11,061.73 = 4,430.73/x
  3. Step 3: Cross multiply
    8,015.79x = 11,061.73 × 4,430.73
  4. Step 4: Simplify right side
    8,015.79x = 49,011,538.96
  5. Step 5: Solve for x
    x = 49,011,538.96/8,015.79
  6. Step 6: Final answer
    x = 6,114.37

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Half scale
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Double scale
Find fourth proportional to 8,016.79, 11,063.11 and 4,431.73
Similar ratio
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1.5x scale

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.