Home / 5,005.86-7,503.48-3,440.85

Finding the Fourth Proportional to 5,005.86, 7,503.48 and 3,440.85

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Solution

The fourth proportional to 5,005.86, 7,503.48 and 3,440.85 is: 5,157.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.86 : 7,503.48 = 3,440.85 : x
  2. Step 2: Convert to fraction form
    5,005.86/7,503.48 = 3,440.85/x
  3. Step 3: Cross multiply
    5,005.86x = 7,503.48 × 3,440.85
  4. Step 4: Simplify right side
    5,005.86x = 25,818,349.16
  5. Step 5: Solve for x
    x = 25,818,349.16/5,005.86
  6. Step 6: Final answer
    x = 5,157.63

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1.5x scale

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.