Home / 6,430.41-9,641.30-3,619.44

Finding the Fourth Proportional to 6,430.41, 9,641.30 and 3,619.44

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Solution

The fourth proportional to 6,430.41, 9,641.30 and 3,619.44 is: 5,426.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.41 : 9,641.30 = 3,619.44 : x
  2. Step 2: Convert to fraction form
    6,430.41/9,641.30 = 3,619.44/x
  3. Step 3: Cross multiply
    6,430.41x = 9,641.30 × 3,619.44
  4. Step 4: Simplify right side
    6,430.41x = 34,896,088.77
  5. Step 5: Solve for x
    x = 34,896,088.77/6,430.41
  6. Step 6: Final answer
    x = 5,426.73

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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.