Home / 8,020.88-11,061.60-5,185.26

Finding the Fourth Proportional to 8,020.88, 11,061.60 and 5,185.26

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Solution

The fourth proportional to 8,020.88, 11,061.60 and 5,185.26 is: 7,151.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.88 : 11,061.60 = 5,185.26 : x
  2. Step 2: Convert to fraction form
    8,020.88/11,061.60 = 5,185.26/x
  3. Step 3: Cross multiply
    8,020.88x = 11,061.60 × 5,185.26
  4. Step 4: Simplify right side
    8,020.88x = 57,357,272.02
  5. Step 5: Solve for x
    x = 57,357,272.02/8,020.88
  6. Step 6: Final answer
    x = 7,151.00

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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.