Home / 7,996.21-11,038.07-5,011.36

Finding the Fourth Proportional to 7,996.21, 11,038.07 and 5,011.36

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Solution

The fourth proportional to 7,996.21, 11,038.07 and 5,011.36 is: 6,917.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.21 : 11,038.07 = 5,011.36 : x
  2. Step 2: Convert to fraction form
    7,996.21/11,038.07 = 5,011.36/x
  3. Step 3: Cross multiply
    7,996.21x = 11,038.07 × 5,011.36
  4. Step 4: Simplify right side
    7,996.21x = 55,315,742.48
  5. Step 5: Solve for x
    x = 55,315,742.48/7,996.21
  6. Step 6: Final answer
    x = 6,917.75

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Double scale
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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.