Home / 7,486.22-10,331.03-4,129.12

Finding the Fourth Proportional to 7,486.22, 10,331.03 and 4,129.12

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Solution

The fourth proportional to 7,486.22, 10,331.03 and 4,129.12 is: 5,698.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.22 : 10,331.03 = 4,129.12 : x
  2. Step 2: Convert to fraction form
    7,486.22/10,331.03 = 4,129.12/x
  3. Step 3: Cross multiply
    7,486.22x = 10,331.03 × 4,129.12
  4. Step 4: Simplify right side
    7,486.22x = 42,658,070.35
  5. Step 5: Solve for x
    x = 42,658,070.35/7,486.22
  6. Step 6: Final answer
    x = 5,698.21

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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.