Home / 8,185.79-11,287.45-5,528.59

Finding the Fourth Proportional to 8,185.79, 11,287.45 and 5,528.59

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Solution

The fourth proportional to 8,185.79, 11,287.45 and 5,528.59 is: 7,623.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.79 : 11,287.45 = 5,528.59 : x
  2. Step 2: Convert to fraction form
    8,185.79/11,287.45 = 5,528.59/x
  3. Step 3: Cross multiply
    8,185.79x = 11,287.45 × 5,528.59
  4. Step 4: Simplify right side
    8,185.79x = 62,403,626.76
  5. Step 5: Solve for x
    x = 62,403,626.76/8,185.79
  6. Step 6: Final answer
    x = 7,623.41

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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.