Home / 4,877.53-6,730.94-2,639.35

Finding the Fourth Proportional to 4,877.53, 6,730.94 and 2,639.35

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Solution

The fourth proportional to 4,877.53, 6,730.94 and 2,639.35 is: 3,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.53 : 6,730.94 = 2,639.35 : x
  2. Step 2: Convert to fraction form
    4,877.53/6,730.94 = 2,639.35/x
  3. Step 3: Cross multiply
    4,877.53x = 6,730.94 × 2,639.35
  4. Step 4: Simplify right side
    4,877.53x = 17,765,316.72
  5. Step 5: Solve for x
    x = 17,765,316.72/4,877.53
  6. Step 6: Final answer
    x = 3,642.28

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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.