Home / 6,911.02-10,368.61-3,215.45

Finding the Fourth Proportional to 6,911.02, 10,368.61 and 3,215.45

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Solution

The fourth proportional to 6,911.02, 10,368.61 and 3,215.45 is: 4,824.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.02 : 10,368.61 = 3,215.45 : x
  2. Step 2: Convert to fraction form
    6,911.02/10,368.61 = 3,215.45/x
  3. Step 3: Cross multiply
    6,911.02x = 10,368.61 × 3,215.45
  4. Step 4: Simplify right side
    6,911.02x = 33,339,706.58
  5. Step 5: Solve for x
    x = 33,339,706.58/6,911.02
  6. Step 6: Final answer
    x = 4,824.14

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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.