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Finding the Fourth Proportional to 5,343.55, 8,015.78 and 1,395.33

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Solution

The fourth proportional to 5,343.55, 8,015.78 and 1,395.33 is: 2,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.55 : 8,015.78 = 1,395.33 : x
  2. Step 2: Convert to fraction form
    5,343.55/8,015.78 = 1,395.33/x
  3. Step 3: Cross multiply
    5,343.55x = 8,015.78 × 1,395.33
  4. Step 4: Simplify right side
    5,343.55x = 11,184,678.35
  5. Step 5: Solve for x
    x = 11,184,678.35/5,343.55
  6. Step 6: Final answer
    x = 2,093.12

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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.