Home / 4,877.83-6,731.36-2,639.66

Finding the Fourth Proportional to 4,877.83, 6,731.36 and 2,639.66

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Solution

The fourth proportional to 4,877.83, 6,731.36 and 2,639.66 is: 3,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.83 : 6,731.36 = 2,639.66 : x
  2. Step 2: Convert to fraction form
    4,877.83/6,731.36 = 2,639.66/x
  3. Step 3: Cross multiply
    4,877.83x = 6,731.36 × 2,639.66
  4. Step 4: Simplify right side
    4,877.83x = 17,768,464.78
  5. Step 5: Solve for x
    x = 17,768,464.78/4,877.83
  6. Step 6: Final answer
    x = 3,642.70

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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.