Home / 6,541.71-9,813.78-2,159.49

Finding the Fourth Proportional to 6,541.71, 9,813.78 and 2,159.49

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Solution

The fourth proportional to 6,541.71, 9,813.78 and 2,159.49 is: 3,239.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,541.71 : 9,813.78 = 2,159.49 : x
  2. Step 2: Convert to fraction form
    6,541.71/9,813.78 = 2,159.49/x
  3. Step 3: Cross multiply
    6,541.71x = 9,813.78 × 2,159.49
  4. Step 4: Simplify right side
    6,541.71x = 21,192,759.77
  5. Step 5: Solve for x
    x = 21,192,759.77/6,541.71
  6. Step 6: Final answer
    x = 3,239.64

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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.