Home / 8,559.49-11,813.45-5,203.35

Finding the Fourth Proportional to 8,559.49, 11,813.45 and 5,203.35

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Solution

The fourth proportional to 8,559.49, 11,813.45 and 5,203.35 is: 7,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.49 : 11,813.45 = 5,203.35 : x
  2. Step 2: Convert to fraction form
    8,559.49/11,813.45 = 5,203.35/x
  3. Step 3: Cross multiply
    8,559.49x = 11,813.45 × 5,203.35
  4. Step 4: Simplify right side
    8,559.49x = 61,469,505.65
  5. Step 5: Solve for x
    x = 61,469,505.65/8,559.49
  6. Step 6: Final answer
    x = 7,181.45

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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.