Home / 6,518.08-9,778.02-2,135.98

Finding the Fourth Proportional to 6,518.08, 9,778.02 and 2,135.98

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Solution

The fourth proportional to 6,518.08, 9,778.02 and 2,135.98 is: 3,204.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.08 : 9,778.02 = 2,135.98 : x
  2. Step 2: Convert to fraction form
    6,518.08/9,778.02 = 2,135.98/x
  3. Step 3: Cross multiply
    6,518.08x = 9,778.02 × 2,135.98
  4. Step 4: Simplify right side
    6,518.08x = 20,885,655.16
  5. Step 5: Solve for x
    x = 20,885,655.16/6,518.08
  6. Step 6: Final answer
    x = 3,204.26

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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.