Home / 4,007.61-5,530.48-2,190.63

Finding the Fourth Proportional to 4,007.61, 5,530.48 and 2,190.63

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Solution

The fourth proportional to 4,007.61, 5,530.48 and 2,190.63 is: 3,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007.61 : 5,530.48 = 2,190.63 : x
  2. Step 2: Convert to fraction form
    4,007.61/5,530.48 = 2,190.63/x
  3. Step 3: Cross multiply
    4,007.61x = 5,530.48 × 2,190.63
  4. Step 4: Simplify right side
    4,007.61x = 12,115,235.40
  5. Step 5: Solve for x
    x = 12,115,235.40/4,007.61
  6. Step 6: Final answer
    x = 3,023.06

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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.