Home / 7,897.69-11,840.29-2,966.78

Finding the Fourth Proportional to 7,897.69, 11,840.29 and 2,966.78

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Solution

The fourth proportional to 7,897.69, 11,840.29 and 2,966.78 is: 4,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.69 : 11,840.29 = 2,966.78 : x
  2. Step 2: Convert to fraction form
    7,897.69/11,840.29 = 2,966.78/x
  3. Step 3: Cross multiply
    7,897.69x = 11,840.29 × 2,966.78
  4. Step 4: Simplify right side
    7,897.69x = 35,127,535.57
  5. Step 5: Solve for x
    x = 35,127,535.57/7,897.69
  6. Step 6: Final answer
    x = 4,447.82

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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.