Home / 5,126.12-7,074.42-3,031.88

Finding the Fourth Proportional to 5,126.12, 7,074.42 and 3,031.88

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Solution

The fourth proportional to 5,126.12, 7,074.42 and 3,031.88 is: 4,184.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.12 : 7,074.42 = 3,031.88 : x
  2. Step 2: Convert to fraction form
    5,126.12/7,074.42 = 3,031.88/x
  3. Step 3: Cross multiply
    5,126.12x = 7,074.42 × 3,031.88
  4. Step 4: Simplify right side
    5,126.12x = 21,448,792.51
  5. Step 5: Solve for x
    x = 21,448,792.51/5,126.12
  6. Step 6: Final answer
    x = 4,184.22

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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.