Home / 6,456.70-9,688.25-2,561.02

Finding the Fourth Proportional to 6,456.70, 9,688.25 and 2,561.02

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Solution

The fourth proportional to 6,456.70, 9,688.25 and 2,561.02 is: 3,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.70 : 9,688.25 = 2,561.02 : x
  2. Step 2: Convert to fraction form
    6,456.70/9,688.25 = 2,561.02/x
  3. Step 3: Cross multiply
    6,456.70x = 9,688.25 × 2,561.02
  4. Step 4: Simplify right side
    6,456.70x = 24,811,802.02
  5. Step 5: Solve for x
    x = 24,811,802.02/6,456.70
  6. Step 6: Final answer
    x = 3,842.80

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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.