Home / 6,346.19-9,520.31-2,185.18

Finding the Fourth Proportional to 6,346.19, 9,520.31 and 2,185.18

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Solution

The fourth proportional to 6,346.19, 9,520.31 and 2,185.18 is: 3,278.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,346.19 : 9,520.31 = 2,185.18 : x
  2. Step 2: Convert to fraction form
    6,346.19/9,520.31 = 2,185.18/x
  3. Step 3: Cross multiply
    6,346.19x = 9,520.31 × 2,185.18
  4. Step 4: Simplify right side
    6,346.19x = 20,803,532.48
  5. Step 5: Solve for x
    x = 20,803,532.48/6,346.19
  6. Step 6: Final answer
    x = 3,278.11

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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.