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Finding the Fourth Proportional to 7,009.51, 10,512.64 and 2,077.96

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Solution

The fourth proportional to 7,009.51, 10,512.64 and 2,077.96 is: 3,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.51 : 10,512.64 = 2,077.96 : x
  2. Step 2: Convert to fraction form
    7,009.51/10,512.64 = 2,077.96/x
  3. Step 3: Cross multiply
    7,009.51x = 10,512.64 × 2,077.96
  4. Step 4: Simplify right side
    7,009.51x = 21,844,816.54
  5. Step 5: Solve for x
    x = 21,844,816.54/7,009.51
  6. Step 6: Final answer
    x = 3,116.46

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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.