Home / 4,854.21-7,281.80-1,931.83

Finding the Fourth Proportional to 4,854.21, 7,281.80 and 1,931.83

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Solution

The fourth proportional to 4,854.21, 7,281.80 and 1,931.83 is: 2,897.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,854.21 : 7,281.80 = 1,931.83 : x
  2. Step 2: Convert to fraction form
    4,854.21/7,281.80 = 1,931.83/x
  3. Step 3: Cross multiply
    4,854.21x = 7,281.80 × 1,931.83
  4. Step 4: Simplify right side
    4,854.21x = 14,067,190.03
  5. Step 5: Solve for x
    x = 14,067,190.03/4,854.21
  6. Step 6: Final answer
    x = 2,897.94

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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.