Home / 4,591.14-6,886.65-1,128.42

Finding the Fourth Proportional to 4,591.14, 6,886.65 and 1,128.42

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Solution

The fourth proportional to 4,591.14, 6,886.65 and 1,128.42 is: 1,692.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,591.14 : 6,886.65 = 1,128.42 : x
  2. Step 2: Convert to fraction form
    4,591.14/6,886.65 = 1,128.42/x
  3. Step 3: Cross multiply
    4,591.14x = 6,886.65 × 1,128.42
  4. Step 4: Simplify right side
    4,591.14x = 7,771,033.59
  5. Step 5: Solve for x
    x = 7,771,033.59/4,591.14
  6. Step 6: Final answer
    x = 1,692.62

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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.