Home / 7,740.66-11,610.95-1,897.25

Finding the Fourth Proportional to 7,740.66, 11,610.95 and 1,897.25

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Solution

The fourth proportional to 7,740.66, 11,610.95 and 1,897.25 is: 2,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.66 : 11,610.95 = 1,897.25 : x
  2. Step 2: Convert to fraction form
    7,740.66/11,610.95 = 1,897.25/x
  3. Step 3: Cross multiply
    7,740.66x = 11,610.95 × 1,897.25
  4. Step 4: Simplify right side
    7,740.66x = 22,028,874.89
  5. Step 5: Solve for x
    x = 22,028,874.89/7,740.66
  6. Step 6: Final answer
    x = 2,845.87

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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.