Home / 6,140.18-9,205.06-2,190.24

Finding the Fourth Proportional to 6,140.18, 9,205.06 and 2,190.24

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Solution

The fourth proportional to 6,140.18, 9,205.06 and 2,190.24 is: 3,283.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.18 : 9,205.06 = 2,190.24 : x
  2. Step 2: Convert to fraction form
    6,140.18/9,205.06 = 2,190.24/x
  3. Step 3: Cross multiply
    6,140.18x = 9,205.06 × 2,190.24
  4. Step 4: Simplify right side
    6,140.18x = 20,161,290.61
  5. Step 5: Solve for x
    x = 20,161,290.61/6,140.18
  6. Step 6: Final answer
    x = 3,283.50

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Double scale
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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.