Home / 6,433.40-8,879.10-4,664.36

Finding the Fourth Proportional to 6,433.40, 8,879.10 and 4,664.36

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Solution

The fourth proportional to 6,433.40, 8,879.10 and 4,664.36 is: 6,437.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,433.40 : 8,879.10 = 4,664.36 : x
  2. Step 2: Convert to fraction form
    6,433.40/8,879.10 = 4,664.36/x
  3. Step 3: Cross multiply
    6,433.40x = 8,879.10 × 4,664.36
  4. Step 4: Simplify right side
    6,433.40x = 41,415,318.88
  5. Step 5: Solve for x
    x = 41,415,318.88/6,433.40
  6. Step 6: Final answer
    x = 6,437.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.