Home / 4,869.12-7,305.60-2,559.36

Finding the Fourth Proportional to 4,869.12, 7,305.60 and 2,559.36

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Solution

The fourth proportional to 4,869.12, 7,305.60 and 2,559.36 is: 3,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.12 : 7,305.60 = 2,559.36 : x
  2. Step 2: Convert to fraction form
    4,869.12/7,305.60 = 2,559.36/x
  3. Step 3: Cross multiply
    4,869.12x = 7,305.60 × 2,559.36
  4. Step 4: Simplify right side
    4,869.12x = 18,697,660.42
  5. Step 5: Solve for x
    x = 18,697,660.42/4,869.12
  6. Step 6: Final answer
    x = 3,840.05

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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.