Home / 5,474.78-8,210.44-1,776.15

Finding the Fourth Proportional to 5,474.78, 8,210.44 and 1,776.15

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Solution

The fourth proportional to 5,474.78, 8,210.44 and 1,776.15 is: 2,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.78 : 8,210.44 = 1,776.15 : x
  2. Step 2: Convert to fraction form
    5,474.78/8,210.44 = 1,776.15/x
  3. Step 3: Cross multiply
    5,474.78x = 8,210.44 × 1,776.15
  4. Step 4: Simplify right side
    5,474.78x = 14,582,973.01
  5. Step 5: Solve for x
    x = 14,582,973.01/5,474.78
  6. Step 6: Final answer
    x = 2,663.66

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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.