Home / 4,087.70-6,135.20-1,897.66

Finding the Fourth Proportional to 4,087.70, 6,135.20 and 1,897.66

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Solution

The fourth proportional to 4,087.70, 6,135.20 and 1,897.66 is: 2,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.70 : 6,135.20 = 1,897.66 : x
  2. Step 2: Convert to fraction form
    4,087.70/6,135.20 = 1,897.66/x
  3. Step 3: Cross multiply
    4,087.70x = 6,135.20 × 1,897.66
  4. Step 4: Simplify right side
    4,087.70x = 11,642,529.48
  5. Step 5: Solve for x
    x = 11,642,529.48/4,087.70
  6. Step 6: Final answer
    x = 2,848.19

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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.