Home / 4,720.32-6,513.84-2,730.96

Finding the Fourth Proportional to 4,720.32, 6,513.84 and 2,730.96

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Solution

The fourth proportional to 4,720.32, 6,513.84 and 2,730.96 is: 3,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.32 : 6,513.84 = 2,730.96 : x
  2. Step 2: Convert to fraction form
    4,720.32/6,513.84 = 2,730.96/x
  3. Step 3: Cross multiply
    4,720.32x = 6,513.84 × 2,730.96
  4. Step 4: Simplify right side
    4,720.32x = 17,789,036.49
  5. Step 5: Solve for x
    x = 17,789,036.49/4,720.32
  6. Step 6: Final answer
    x = 3,768.61

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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.