Home / 6,409.24-9,622.71-4,429.99

Finding the Fourth Proportional to 6,409.24, 9,622.71 and 4,429.99

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Solution

The fourth proportional to 6,409.24, 9,622.71 and 4,429.99 is: 6,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,409.24 : 9,622.71 = 4,429.99 : x
  2. Step 2: Convert to fraction form
    6,409.24/9,622.71 = 4,429.99/x
  3. Step 3: Cross multiply
    6,409.24x = 9,622.71 × 4,429.99
  4. Step 4: Simplify right side
    6,409.24x = 42,628,521.10
  5. Step 5: Solve for x
    x = 42,628,521.10/6,409.24
  6. Step 6: Final answer
    x = 6,651.11

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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.