Home / 4,928.55-7,390.26-1,807.75

Finding the Fourth Proportional to 4,928.55, 7,390.26 and 1,807.75

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Solution

The fourth proportional to 4,928.55, 7,390.26 and 1,807.75 is: 2,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,928.55 : 7,390.26 = 1,807.75 : x
  2. Step 2: Convert to fraction form
    4,928.55/7,390.26 = 1,807.75/x
  3. Step 3: Cross multiply
    4,928.55x = 7,390.26 × 1,807.75
  4. Step 4: Simplify right side
    4,928.55x = 13,359,742.52
  5. Step 5: Solve for x
    x = 13,359,742.52/4,928.55
  6. Step 6: Final answer
    x = 2,710.68

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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.