Home / 7,444.30-11,166.14-1,897.78

Finding the Fourth Proportional to 7,444.30, 11,166.14 and 1,897.78

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Solution

The fourth proportional to 7,444.30, 11,166.14 and 1,897.78 is: 2,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.30 : 11,166.14 = 1,897.78 : x
  2. Step 2: Convert to fraction form
    7,444.30/11,166.14 = 1,897.78/x
  3. Step 3: Cross multiply
    7,444.30x = 11,166.14 × 1,897.78
  4. Step 4: Simplify right side
    7,444.30x = 21,190,877.17
  5. Step 5: Solve for x
    x = 21,190,877.17/7,444.30
  6. Step 6: Final answer
    x = 2,846.59

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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.