Home / 5,621.93-8,427.23-1,921.64

Finding the Fourth Proportional to 5,621.93, 8,427.23 and 1,921.64

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Solution

The fourth proportional to 5,621.93, 8,427.23 and 1,921.64 is: 2,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.93 : 8,427.23 = 1,921.64 : x
  2. Step 2: Convert to fraction form
    5,621.93/8,427.23 = 1,921.64/x
  3. Step 3: Cross multiply
    5,621.93x = 8,427.23 × 1,921.64
  4. Step 4: Simplify right side
    5,621.93x = 16,194,050.51
  5. Step 5: Solve for x
    x = 16,194,050.51/5,621.93
  6. Step 6: Final answer
    x = 2,880.52

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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.