Home / 5,509.15-8,253.31-4,270.49

Finding the Fourth Proportional to 5,509.15, 8,253.31 and 4,270.49

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Solution

The fourth proportional to 5,509.15, 8,253.31 and 4,270.49 is: 6,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,509.15 : 8,253.31 = 4,270.49 : x
  2. Step 2: Convert to fraction form
    5,509.15/8,253.31 = 4,270.49/x
  3. Step 3: Cross multiply
    5,509.15x = 8,253.31 × 4,270.49
  4. Step 4: Simplify right side
    5,509.15x = 35,245,677.82
  5. Step 5: Solve for x
    x = 35,245,677.82/5,509.15
  6. Step 6: Final answer
    x = 6,397.66

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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.