Home / 4,628.39-6,381.32-3,368.43

Finding the Fourth Proportional to 4,628.39, 6,381.32 and 3,368.43

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Solution

The fourth proportional to 4,628.39, 6,381.32 and 3,368.43 is: 4,644.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.39 : 6,381.32 = 3,368.43 : x
  2. Step 2: Convert to fraction form
    4,628.39/6,381.32 = 3,368.43/x
  3. Step 3: Cross multiply
    4,628.39x = 6,381.32 × 3,368.43
  4. Step 4: Simplify right side
    4,628.39x = 21,495,012.89
  5. Step 5: Solve for x
    x = 21,495,012.89/4,628.39
  6. Step 6: Final answer
    x = 4,644.17

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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.