Home / 4,254.05-5,871.66-2,840.11

Finding the Fourth Proportional to 4,254.05, 5,871.66 and 2,840.11

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Solution

The fourth proportional to 4,254.05, 5,871.66 and 2,840.11 is: 3,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.05 : 5,871.66 = 2,840.11 : x
  2. Step 2: Convert to fraction form
    4,254.05/5,871.66 = 2,840.11/x
  3. Step 3: Cross multiply
    4,254.05x = 5,871.66 × 2,840.11
  4. Step 4: Simplify right side
    4,254.05x = 16,676,160.28
  5. Step 5: Solve for x
    x = 16,676,160.28/4,254.05
  6. Step 6: Final answer
    x = 3,920.07

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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.