Home / 4,000.86-5,519.72-2,508.84

Finding the Fourth Proportional to 4,000.86, 5,519.72 and 2,508.84

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Solution

The fourth proportional to 4,000.86, 5,519.72 and 2,508.84 is: 3,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.86 : 5,519.72 = 2,508.84 : x
  2. Step 2: Convert to fraction form
    4,000.86/5,519.72 = 2,508.84/x
  3. Step 3: Cross multiply
    4,000.86x = 5,519.72 × 2,508.84
  4. Step 4: Simplify right side
    4,000.86x = 13,848,094.32
  5. Step 5: Solve for x
    x = 13,848,094.32/4,000.86
  6. Step 6: Final answer
    x = 3,461.28

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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.