Home / 4,761.60-7,139.97-1,840.74

Finding the Fourth Proportional to 4,761.60, 7,139.97 and 1,840.74

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Solution

The fourth proportional to 4,761.60, 7,139.97 and 1,840.74 is: 2,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,761.60 : 7,139.97 = 1,840.74 : x
  2. Step 2: Convert to fraction form
    4,761.60/7,139.97 = 1,840.74/x
  3. Step 3: Cross multiply
    4,761.60x = 7,139.97 × 1,840.74
  4. Step 4: Simplify right side
    4,761.60x = 13,142,828.38
  5. Step 5: Solve for x
    x = 13,142,828.38/4,761.60
  6. Step 6: Final answer
    x = 2,760.17

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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.