Home / 4,877.34-6,730.73-2,639.22

Finding the Fourth Proportional to 4,877.34, 6,730.73 and 2,639.22

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Solution

The fourth proportional to 4,877.34, 6,730.73 and 2,639.22 is: 3,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.34 : 6,730.73 = 2,639.22 : x
  2. Step 2: Convert to fraction form
    4,877.34/6,730.73 = 2,639.22/x
  3. Step 3: Cross multiply
    4,877.34x = 6,730.73 × 2,639.22
  4. Step 4: Simplify right side
    4,877.34x = 17,763,877.23
  5. Step 5: Solve for x
    x = 17,763,877.23/4,877.34
  6. Step 6: Final answer
    x = 3,642.12

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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.