Home / 4,584.40-6,876.52-1,121.68

Finding the Fourth Proportional to 4,584.40, 6,876.52 and 1,121.68

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Solution

The fourth proportional to 4,584.40, 6,876.52 and 1,121.68 is: 1,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,584.40 : 6,876.52 = 1,121.68 : x
  2. Step 2: Convert to fraction form
    4,584.40/6,876.52 = 1,121.68/x
  3. Step 3: Cross multiply
    4,584.40x = 6,876.52 × 1,121.68
  4. Step 4: Simplify right side
    4,584.40x = 7,713,254.95
  5. Step 5: Solve for x
    x = 7,713,254.95/4,584.40
  6. Step 6: Final answer
    x = 1,682.50

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1.5x scale

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.