Home / 4,630.15-6,388.59-2,740.79

Finding the Fourth Proportional to 4,630.15, 6,388.59 and 2,740.79

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Solution

The fourth proportional to 4,630.15, 6,388.59 and 2,740.79 is: 3,781.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.15 : 6,388.59 = 2,740.79 : x
  2. Step 2: Convert to fraction form
    4,630.15/6,388.59 = 2,740.79/x
  3. Step 3: Cross multiply
    4,630.15x = 6,388.59 × 2,740.79
  4. Step 4: Simplify right side
    4,630.15x = 17,509,783.59
  5. Step 5: Solve for x
    x = 17,509,783.59/4,630.15
  6. Step 6: Final answer
    x = 3,781.69

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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.