Home / 7,994.09-11,018.62-5,340.53

Finding the Fourth Proportional to 7,994.09, 11,018.62 and 5,340.53

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Solution

The fourth proportional to 7,994.09, 11,018.62 and 5,340.53 is: 7,361.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.09 : 11,018.62 = 5,340.53 : x
  2. Step 2: Convert to fraction form
    7,994.09/11,018.62 = 5,340.53/x
  3. Step 3: Cross multiply
    7,994.09x = 11,018.62 × 5,340.53
  4. Step 4: Simplify right side
    7,994.09x = 58,845,270.67
  5. Step 5: Solve for x
    x = 58,845,270.67/7,994.09
  6. Step 6: Final answer
    x = 7,361.10

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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.