Home / 4,638.39-6,956.04-2,138.55

Finding the Fourth Proportional to 4,638.39, 6,956.04 and 2,138.55

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Solution

The fourth proportional to 4,638.39, 6,956.04 and 2,138.55 is: 3,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.39 : 6,956.04 = 2,138.55 : x
  2. Step 2: Convert to fraction form
    4,638.39/6,956.04 = 2,138.55/x
  3. Step 3: Cross multiply
    4,638.39x = 6,956.04 × 2,138.55
  4. Step 4: Simplify right side
    4,638.39x = 14,875,851.38
  5. Step 5: Solve for x
    x = 14,875,851.38/4,638.39
  6. Step 6: Final answer
    x = 3,207.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.