Home / 6,940.90-10,461.31-5,978.62

Finding the Fourth Proportional to 6,940.90, 10,461.31 and 5,978.62

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Solution

The fourth proportional to 6,940.90, 10,461.31 and 5,978.62 is: 9,010.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.90 : 10,461.31 = 5,978.62 : x
  2. Step 2: Convert to fraction form
    6,940.90/10,461.31 = 5,978.62/x
  3. Step 3: Cross multiply
    6,940.90x = 10,461.31 × 5,978.62
  4. Step 4: Simplify right side
    6,940.90x = 62,544,197.19
  5. Step 5: Solve for x
    x = 62,544,197.19/6,940.90
  6. Step 6: Final answer
    x = 9,010.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.