Home / 6,878.28-10,315.75-3,176.95

Finding the Fourth Proportional to 6,878.28, 10,315.75 and 3,176.95

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Solution

The fourth proportional to 6,878.28, 10,315.75 and 3,176.95 is: 4,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.28 : 10,315.75 = 3,176.95 : x
  2. Step 2: Convert to fraction form
    6,878.28/10,315.75 = 3,176.95/x
  3. Step 3: Cross multiply
    6,878.28x = 10,315.75 × 3,176.95
  4. Step 4: Simplify right side
    6,878.28x = 32,772,570.38
  5. Step 5: Solve for x
    x = 32,772,570.38/6,878.28
  6. Step 6: Final answer
    x = 4,764.65

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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.