Home / 5,343.44-8,011.32-2,420.24

Finding the Fourth Proportional to 5,343.44, 8,011.32 and 2,420.24

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Solution

The fourth proportional to 5,343.44, 8,011.32 and 2,420.24 is: 3,628.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.44 : 8,011.32 = 2,420.24 : x
  2. Step 2: Convert to fraction form
    5,343.44/8,011.32 = 2,420.24/x
  3. Step 3: Cross multiply
    5,343.44x = 8,011.32 × 2,420.24
  4. Step 4: Simplify right side
    5,343.44x = 19,389,317.12
  5. Step 5: Solve for x
    x = 19,389,317.12/5,343.44
  6. Step 6: Final answer
    x = 3,628.62

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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.