Home / 8,805.28-13,208.23-4,420.35

Finding the Fourth Proportional to 8,805.28, 13,208.23 and 4,420.35

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Solution

The fourth proportional to 8,805.28, 13,208.23 and 4,420.35 is: 6,630.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.28 : 13,208.23 = 4,420.35 : x
  2. Step 2: Convert to fraction form
    8,805.28/13,208.23 = 4,420.35/x
  3. Step 3: Cross multiply
    8,805.28x = 13,208.23 × 4,420.35
  4. Step 4: Simplify right side
    8,805.28x = 58,384,999.48
  5. Step 5: Solve for x
    x = 58,384,999.48/8,805.28
  6. Step 6: Final answer
    x = 6,630.68

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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.