Home / 7,901.30-11,852.63-2,057.91

Finding the Fourth Proportional to 7,901.30, 11,852.63 and 2,057.91

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Solution

The fourth proportional to 7,901.30, 11,852.63 and 2,057.91 is: 3,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.30 : 11,852.63 = 2,057.91 : x
  2. Step 2: Convert to fraction form
    7,901.30/11,852.63 = 2,057.91/x
  3. Step 3: Cross multiply
    7,901.30x = 11,852.63 × 2,057.91
  4. Step 4: Simplify right side
    7,901.30x = 24,391,598.78
  5. Step 5: Solve for x
    x = 24,391,598.78/7,901.30
  6. Step 6: Final answer
    x = 3,087.04

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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.