Home / 6,431.00-9,645.35-2,047.46

Finding the Fourth Proportional to 6,431.00, 9,645.35 and 2,047.46

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Solution

The fourth proportional to 6,431.00, 9,645.35 and 2,047.46 is: 3,070.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,431.00 : 9,645.35 = 2,047.46 : x
  2. Step 2: Convert to fraction form
    6,431.00/9,645.35 = 2,047.46/x
  3. Step 3: Cross multiply
    6,431.00x = 9,645.35 × 2,047.46
  4. Step 4: Simplify right side
    6,431.00x = 19,748,409.85
  5. Step 5: Solve for x
    x = 19,748,409.85/6,431.00
  6. Step 6: Final answer
    x = 3,070.82

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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.