Home / 6,140.33-9,212.30-1,980.26

Finding the Fourth Proportional to 6,140.33, 9,212.30 and 1,980.26

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Solution

The fourth proportional to 6,140.33, 9,212.30 and 1,980.26 is: 2,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.33 : 9,212.30 = 1,980.26 : x
  2. Step 2: Convert to fraction form
    6,140.33/9,212.30 = 1,980.26/x
  3. Step 3: Cross multiply
    6,140.33x = 9,212.30 × 1,980.26
  4. Step 4: Simplify right side
    6,140.33x = 18,242,693.24
  5. Step 5: Solve for x
    x = 18,242,693.24/6,140.33
  6. Step 6: Final answer
    x = 2,970.96

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1.5x scale

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.