Home / 6,531.86-9,795.68-2,148.30

Finding the Fourth Proportional to 6,531.86, 9,795.68 and 2,148.30

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Solution

The fourth proportional to 6,531.86, 9,795.68 and 2,148.30 is: 3,221.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.86 : 9,795.68 = 2,148.30 : x
  2. Step 2: Convert to fraction form
    6,531.86/9,795.68 = 2,148.30/x
  3. Step 3: Cross multiply
    6,531.86x = 9,795.68 × 2,148.30
  4. Step 4: Simplify right side
    6,531.86x = 21,044,059.34
  5. Step 5: Solve for x
    x = 21,044,059.34/6,531.86
  6. Step 6: Final answer
    x = 3,221.76

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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.