Home / 6,531.61-9,798.79-2,148.73

Finding the Fourth Proportional to 6,531.61, 9,798.79 and 2,148.73

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Solution

The fourth proportional to 6,531.61, 9,798.79 and 2,148.73 is: 3,223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.61 : 9,798.79 = 2,148.73 : x
  2. Step 2: Convert to fraction form
    6,531.61/9,798.79 = 2,148.73/x
  3. Step 3: Cross multiply
    6,531.61x = 9,798.79 × 2,148.73
  4. Step 4: Simplify right side
    6,531.61x = 21,054,919.13
  5. Step 5: Solve for x
    x = 21,054,919.13/6,531.61
  6. Step 6: Final answer
    x = 3,223.54

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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.