Home / 8,253.89-11,390.34-4,477.05

Finding the Fourth Proportional to 8,253.89, 11,390.34 and 4,477.05

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Solution

The fourth proportional to 8,253.89, 11,390.34 and 4,477.05 is: 6,178.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.89 : 11,390.34 = 4,477.05 : x
  2. Step 2: Convert to fraction form
    8,253.89/11,390.34 = 4,477.05/x
  3. Step 3: Cross multiply
    8,253.89x = 11,390.34 × 4,477.05
  4. Step 4: Simplify right side
    8,253.89x = 50,995,121.70
  5. Step 5: Solve for x
    x = 50,995,121.70/8,253.89
  6. Step 6: Final answer
    x = 6,178.31

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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.