Home / 4,400.45-6,600.61-1,113.52

Finding the Fourth Proportional to 4,400.45, 6,600.61 and 1,113.52

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Solution

The fourth proportional to 4,400.45, 6,600.61 and 1,113.52 is: 1,670.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.45 : 6,600.61 = 1,113.52 : x
  2. Step 2: Convert to fraction form
    4,400.45/6,600.61 = 1,113.52/x
  3. Step 3: Cross multiply
    4,400.45x = 6,600.61 × 1,113.52
  4. Step 4: Simplify right side
    4,400.45x = 7,349,911.25
  5. Step 5: Solve for x
    x = 7,349,911.25/4,400.45
  6. Step 6: Final answer
    x = 1,670.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.