Home / 4,585.78-6,878.69-1,123.03

Finding the Fourth Proportional to 4,585.78, 6,878.69 and 1,123.03

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Solution

The fourth proportional to 4,585.78, 6,878.69 and 1,123.03 is: 1,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.78 : 6,878.69 = 1,123.03 : x
  2. Step 2: Convert to fraction form
    4,585.78/6,878.69 = 1,123.03/x
  3. Step 3: Cross multiply
    4,585.78x = 6,878.69 × 1,123.03
  4. Step 4: Simplify right side
    4,585.78x = 7,724,982.43
  5. Step 5: Solve for x
    x = 7,724,982.43/4,585.78
  6. Step 6: Final answer
    x = 1,684.55

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Half scale
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Double scale
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Similar ratio
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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.