Home / 4,877.63-6,731.14-2,639.53

Finding the Fourth Proportional to 4,877.63, 6,731.14 and 2,639.53

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Solution

The fourth proportional to 4,877.63, 6,731.14 and 2,639.53 is: 3,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.63 : 6,731.14 = 2,639.53 : x
  2. Step 2: Convert to fraction form
    4,877.63/6,731.14 = 2,639.53/x
  3. Step 3: Cross multiply
    4,877.63x = 6,731.14 × 2,639.53
  4. Step 4: Simplify right side
    4,877.63x = 17,767,014.87
  5. Step 5: Solve for x
    x = 17,767,014.87/4,877.63
  6. Step 6: Final answer
    x = 3,642.55

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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.