Home / 6,541.21-9,815.46-2,645.92

Finding the Fourth Proportional to 6,541.21, 9,815.46 and 2,645.92

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Solution

The fourth proportional to 6,541.21, 9,815.46 and 2,645.92 is: 3,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.21 : 9,815.46 = 2,645.92 : x
  2. Step 2: Convert to fraction form
    6,541.21/9,815.46 = 2,645.92/x
  3. Step 3: Cross multiply
    6,541.21x = 9,815.46 × 2,645.92
  4. Step 4: Simplify right side
    6,541.21x = 25,970,921.92
  5. Step 5: Solve for x
    x = 25,970,921.92/6,541.21
  6. Step 6: Final answer
    x = 3,970.35

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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.