Home / 5,485.41-8,228.10-2,565.77

Finding the Fourth Proportional to 5,485.41, 8,228.10 and 2,565.77

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Solution

The fourth proportional to 5,485.41, 8,228.10 and 2,565.77 is: 3,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.41 : 8,228.10 = 2,565.77 : x
  2. Step 2: Convert to fraction form
    5,485.41/8,228.10 = 2,565.77/x
  3. Step 3: Cross multiply
    5,485.41x = 8,228.10 × 2,565.77
  4. Step 4: Simplify right side
    5,485.41x = 21,111,371.00
  5. Step 5: Solve for x
    x = 21,111,371.00/5,485.41
  6. Step 6: Final answer
    x = 3,848.64

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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.