Home / 4,745.64-7,117.48-1,282.08

Finding the Fourth Proportional to 4,745.64, 7,117.48 and 1,282.08

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Solution

The fourth proportional to 4,745.64, 7,117.48 and 1,282.08 is: 1,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.64 : 7,117.48 = 1,282.08 : x
  2. Step 2: Convert to fraction form
    4,745.64/7,117.48 = 1,282.08/x
  3. Step 3: Cross multiply
    4,745.64x = 7,117.48 × 1,282.08
  4. Step 4: Simplify right side
    4,745.64x = 9,125,178.76
  5. Step 5: Solve for x
    x = 9,125,178.76/4,745.64
  6. Step 6: Final answer
    x = 1,922.86

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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.