Home / 4,720.86-6,513.30-2,730.87

Finding the Fourth Proportional to 4,720.86, 6,513.30 and 2,730.87

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Solution

The fourth proportional to 4,720.86, 6,513.30 and 2,730.87 is: 3,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.86 : 6,513.30 = 2,730.87 : x
  2. Step 2: Convert to fraction form
    4,720.86/6,513.30 = 2,730.87/x
  3. Step 3: Cross multiply
    4,720.86x = 6,513.30 × 2,730.87
  4. Step 4: Simplify right side
    4,720.86x = 17,786,975.57
  5. Step 5: Solve for x
    x = 17,786,975.57/4,720.86
  6. Step 6: Final answer
    x = 3,767.74

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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.