Home / 6,946.32-10,409.76-4,989.36

Finding the Fourth Proportional to 6,946.32, 10,409.76 and 4,989.36

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Solution

The fourth proportional to 6,946.32, 10,409.76 and 4,989.36 is: 7,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,946.32 : 10,409.76 = 4,989.36 : x
  2. Step 2: Convert to fraction form
    6,946.32/10,409.76 = 4,989.36/x
  3. Step 3: Cross multiply
    6,946.32x = 10,409.76 × 4,989.36
  4. Step 4: Simplify right side
    6,946.32x = 51,938,040.15
  5. Step 5: Solve for x
    x = 51,938,040.15/6,946.32
  6. Step 6: Final answer
    x = 7,477.06

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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.