Home / 4,591.68-6,887.52-1,128.96

Finding the Fourth Proportional to 4,591.68, 6,887.52 and 1,128.96

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Solution

The fourth proportional to 4,591.68, 6,887.52 and 1,128.96 is: 1,693.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.68 : 6,887.52 = 1,128.96 : x
  2. Step 2: Convert to fraction form
    4,591.68/6,887.52 = 1,128.96/x
  3. Step 3: Cross multiply
    4,591.68x = 6,887.52 × 1,128.96
  4. Step 4: Simplify right side
    4,591.68x = 7,775,734.58
  5. Step 5: Solve for x
    x = 7,775,734.58/4,591.68
  6. Step 6: Final answer
    x = 1,693.44

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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.