Home / 4,401.78-6,070.86-3,140.61

Finding the Fourth Proportional to 4,401.78, 6,070.86 and 3,140.61

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Solution

The fourth proportional to 4,401.78, 6,070.86 and 3,140.61 is: 4,331.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.78 : 6,070.86 = 3,140.61 : x
  2. Step 2: Convert to fraction form
    4,401.78/6,070.86 = 3,140.61/x
  3. Step 3: Cross multiply
    4,401.78x = 6,070.86 × 3,140.61
  4. Step 4: Simplify right side
    4,401.78x = 19,066,203.62
  5. Step 5: Solve for x
    x = 19,066,203.62/4,401.78
  6. Step 6: Final answer
    x = 4,331.48

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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.