Home / 6,421.18-9,632.80-2,723.44

Finding the Fourth Proportional to 6,421.18, 9,632.80 and 2,723.44

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Solution

The fourth proportional to 6,421.18, 9,632.80 and 2,723.44 is: 4,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.18 : 9,632.80 = 2,723.44 : x
  2. Step 2: Convert to fraction form
    6,421.18/9,632.80 = 2,723.44/x
  3. Step 3: Cross multiply
    6,421.18x = 9,632.80 × 2,723.44
  4. Step 4: Simplify right side
    6,421.18x = 26,234,352.83
  5. Step 5: Solve for x
    x = 26,234,352.83/6,421.18
  6. Step 6: Final answer
    x = 4,085.60

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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.