Home / 4,877.66-6,728.02-2,886.82

Finding the Fourth Proportional to 4,877.66, 6,728.02 and 2,886.82

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Solution

The fourth proportional to 4,877.66, 6,728.02 and 2,886.82 is: 3,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.66 : 6,728.02 = 2,886.82 : x
  2. Step 2: Convert to fraction form
    4,877.66/6,728.02 = 2,886.82/x
  3. Step 3: Cross multiply
    4,877.66x = 6,728.02 × 2,886.82
  4. Step 4: Simplify right side
    4,877.66x = 19,422,582.70
  5. Step 5: Solve for x
    x = 19,422,582.70/4,877.66
  6. Step 6: Final answer
    x = 3,981.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.