Home / 6,428.96-9,644.51-2,047.76

Finding the Fourth Proportional to 6,428.96, 9,644.51 and 2,047.76

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Solution

The fourth proportional to 6,428.96, 9,644.51 and 2,047.76 is: 3,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.96 : 9,644.51 = 2,047.76 : x
  2. Step 2: Convert to fraction form
    6,428.96/9,644.51 = 2,047.76/x
  3. Step 3: Cross multiply
    6,428.96x = 9,644.51 × 2,047.76
  4. Step 4: Simplify right side
    6,428.96x = 19,749,598.69
  5. Step 5: Solve for x
    x = 19,749,598.69/6,428.96
  6. Step 6: Final answer
    x = 3,071.98

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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.