Home / 4,242.03-6,387.86-3,080.17

Finding the Fourth Proportional to 4,242.03, 6,387.86 and 3,080.17

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Solution

The fourth proportional to 4,242.03, 6,387.86 and 3,080.17 is: 4,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,242.03 : 6,387.86 = 3,080.17 : x
  2. Step 2: Convert to fraction form
    4,242.03/6,387.86 = 3,080.17/x
  3. Step 3: Cross multiply
    4,242.03x = 6,387.86 × 3,080.17
  4. Step 4: Simplify right side
    4,242.03x = 19,675,694.74
  5. Step 5: Solve for x
    x = 19,675,694.74/4,242.03
  6. Step 6: Final answer
    x = 4,638.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.