Home / 5,455.16-8,172.30-4,473.32

Finding the Fourth Proportional to 5,455.16, 8,172.30 and 4,473.32

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Solution

The fourth proportional to 5,455.16, 8,172.30 and 4,473.32 is: 6,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.16 : 8,172.30 = 4,473.32 : x
  2. Step 2: Convert to fraction form
    5,455.16/8,172.30 = 4,473.32/x
  3. Step 3: Cross multiply
    5,455.16x = 8,172.30 × 4,473.32
  4. Step 4: Simplify right side
    5,455.16x = 36,557,313.04
  5. Step 5: Solve for x
    x = 36,557,313.04/5,455.16
  6. Step 6: Final answer
    x = 6,701.42

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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.