Home / 8,135.22-11,223.29-5,301.56

Finding the Fourth Proportional to 8,135.22, 11,223.29 and 5,301.56

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Solution

The fourth proportional to 8,135.22, 11,223.29 and 5,301.56 is: 7,314.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.22 : 11,223.29 = 5,301.56 : x
  2. Step 2: Convert to fraction form
    8,135.22/11,223.29 = 5,301.56/x
  3. Step 3: Cross multiply
    8,135.22x = 11,223.29 × 5,301.56
  4. Step 4: Simplify right side
    8,135.22x = 59,500,986.64
  5. Step 5: Solve for x
    x = 59,500,986.64/8,135.22
  6. Step 6: Final answer
    x = 7,314.00

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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.