Home / 5,627.80-7,768.50-4,234.60

Finding the Fourth Proportional to 5,627.80, 7,768.50 and 4,234.60

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Solution

The fourth proportional to 5,627.80, 7,768.50 and 4,234.60 is: 5,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.80 : 7,768.50 = 4,234.60 : x
  2. Step 2: Convert to fraction form
    5,627.80/7,768.50 = 4,234.60/x
  3. Step 3: Cross multiply
    5,627.80x = 7,768.50 × 4,234.60
  4. Step 4: Simplify right side
    5,627.80x = 32,896,490.10
  5. Step 5: Solve for x
    x = 32,896,490.10/5,627.80
  6. Step 6: Final answer
    x = 5,845.36

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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.