Home / 8,816.55-13,220.49-4,369.08

Finding the Fourth Proportional to 8,816.55, 13,220.49 and 4,369.08

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Solution

The fourth proportional to 8,816.55, 13,220.49 and 4,369.08 is: 6,551.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.55 : 13,220.49 = 4,369.08 : x
  2. Step 2: Convert to fraction form
    8,816.55/13,220.49 = 4,369.08/x
  3. Step 3: Cross multiply
    8,816.55x = 13,220.49 × 4,369.08
  4. Step 4: Simplify right side
    8,816.55x = 57,761,378.45
  5. Step 5: Solve for x
    x = 57,761,378.45/8,816.55
  6. Step 6: Final answer
    x = 6,551.47

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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.