Home / 6,878.19-10,314.18-1,946.66

Finding the Fourth Proportional to 6,878.19, 10,314.18 and 1,946.66

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Solution

The fourth proportional to 6,878.19, 10,314.18 and 1,946.66 is: 2,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.19 : 10,314.18 = 1,946.66 : x
  2. Step 2: Convert to fraction form
    6,878.19/10,314.18 = 1,946.66/x
  3. Step 3: Cross multiply
    6,878.19x = 10,314.18 × 1,946.66
  4. Step 4: Simplify right side
    6,878.19x = 20,078,150.07
  5. Step 5: Solve for x
    x = 20,078,150.07/6,878.19
  6. Step 6: Final answer
    x = 2,919.10

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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.