Home / 4,069.78-6,103.96-1,878.32

Finding the Fourth Proportional to 4,069.78, 6,103.96 and 1,878.32

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Solution

The fourth proportional to 4,069.78, 6,103.96 and 1,878.32 is: 2,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.78 : 6,103.96 = 1,878.32 : x
  2. Step 2: Convert to fraction form
    4,069.78/6,103.96 = 1,878.32/x
  3. Step 3: Cross multiply
    4,069.78x = 6,103.96 × 1,878.32
  4. Step 4: Simplify right side
    4,069.78x = 11,465,200.71
  5. Step 5: Solve for x
    x = 11,465,200.71/4,069.78
  6. Step 6: Final answer
    x = 2,817.16

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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.