Home / 4,039.86-5,575.11-2,271.63

Finding the Fourth Proportional to 4,039.86, 5,575.11 and 2,271.63

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Solution

The fourth proportional to 4,039.86, 5,575.11 and 2,271.63 is: 3,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.86 : 5,575.11 = 2,271.63 : x
  2. Step 2: Convert to fraction form
    4,039.86/5,575.11 = 2,271.63/x
  3. Step 3: Cross multiply
    4,039.86x = 5,575.11 × 2,271.63
  4. Step 4: Simplify right side
    4,039.86x = 12,664,587.13
  5. Step 5: Solve for x
    x = 12,664,587.13/4,039.86
  6. Step 6: Final answer
    x = 3,134.91

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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.