Home / 6,518.41-9,779.10-2,135.77

Finding the Fourth Proportional to 6,518.41, 9,779.10 and 2,135.77

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Solution

The fourth proportional to 6,518.41, 9,779.10 and 2,135.77 is: 3,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.41 : 9,779.10 = 2,135.77 : x
  2. Step 2: Convert to fraction form
    6,518.41/9,779.10 = 2,135.77/x
  3. Step 3: Cross multiply
    6,518.41x = 9,779.10 × 2,135.77
  4. Step 4: Simplify right side
    6,518.41x = 20,885,908.41
  5. Step 5: Solve for x
    x = 20,885,908.41/6,518.41
  6. Step 6: Final answer
    x = 3,204.14

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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.