Home / 4,316.87-5,956.83-2,638.69

Finding the Fourth Proportional to 4,316.87, 5,956.83 and 2,638.69

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Solution

The fourth proportional to 4,316.87, 5,956.83 and 2,638.69 is: 3,641.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,316.87 : 5,956.83 = 2,638.69 : x
  2. Step 2: Convert to fraction form
    4,316.87/5,956.83 = 2,638.69/x
  3. Step 3: Cross multiply
    4,316.87x = 5,956.83 × 2,638.69
  4. Step 4: Simplify right side
    4,316.87x = 15,718,212.86
  5. Step 5: Solve for x
    x = 15,718,212.86/4,316.87
  6. Step 6: Final answer
    x = 3,641.11

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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.