Home / 4,686.98-7,027.81-1,910.40

Finding the Fourth Proportional to 4,686.98, 7,027.81 and 1,910.40

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Solution

The fourth proportional to 4,686.98, 7,027.81 and 1,910.40 is: 2,864.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.98 : 7,027.81 = 1,910.40 : x
  2. Step 2: Convert to fraction form
    4,686.98/7,027.81 = 1,910.40/x
  3. Step 3: Cross multiply
    4,686.98x = 7,027.81 × 1,910.40
  4. Step 4: Simplify right side
    4,686.98x = 13,425,923.45
  5. Step 5: Solve for x
    x = 13,425,923.45/4,686.98
  6. Step 6: Final answer
    x = 2,864.51

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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.