Home / 6,543.21-9,818.46-2,647.92

Finding the Fourth Proportional to 6,543.21, 9,818.46 and 2,647.92

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Solution

The fourth proportional to 6,543.21, 9,818.46 and 2,647.92 is: 3,973.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.21 : 9,818.46 = 2,647.92 : x
  2. Step 2: Convert to fraction form
    6,543.21/9,818.46 = 2,647.92/x
  3. Step 3: Cross multiply
    6,543.21x = 9,818.46 × 2,647.92
  4. Step 4: Simplify right side
    6,543.21x = 25,998,496.60
  5. Step 5: Solve for x
    x = 25,998,496.60/6,543.21
  6. Step 6: Final answer
    x = 3,973.36

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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.