Home / 6,943.86-10,409.45-2,783.16

Finding the Fourth Proportional to 6,943.86, 10,409.45 and 2,783.16

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Solution

The fourth proportional to 6,943.86, 10,409.45 and 2,783.16 is: 4,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.86 : 10,409.45 = 2,783.16 : x
  2. Step 2: Convert to fraction form
    6,943.86/10,409.45 = 2,783.16/x
  3. Step 3: Cross multiply
    6,943.86x = 10,409.45 × 2,783.16
  4. Step 4: Simplify right side
    6,943.86x = 28,971,150.95
  5. Step 5: Solve for x
    x = 28,971,150.95/6,943.86
  6. Step 6: Final answer
    x = 4,172.20

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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.