Home / 6,446.04-8,896.28-3,929.62

Finding the Fourth Proportional to 6,446.04, 8,896.28 and 3,929.62

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Solution

The fourth proportional to 6,446.04, 8,896.28 and 3,929.62 is: 5,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.04 : 8,896.28 = 3,929.62 : x
  2. Step 2: Convert to fraction form
    6,446.04/8,896.28 = 3,929.62/x
  3. Step 3: Cross multiply
    6,446.04x = 8,896.28 × 3,929.62
  4. Step 4: Simplify right side
    6,446.04x = 34,958,999.81
  5. Step 5: Solve for x
    x = 34,958,999.81/6,446.04
  6. Step 6: Final answer
    x = 5,423.33

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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.