Home / 8,161.64-11,265.48-5,329.46

Finding the Fourth Proportional to 8,161.64, 11,265.48 and 5,329.46

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Solution

The fourth proportional to 8,161.64, 11,265.48 and 5,329.46 is: 7,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.64 : 11,265.48 = 5,329.46 : x
  2. Step 2: Convert to fraction form
    8,161.64/11,265.48 = 5,329.46/x
  3. Step 3: Cross multiply
    8,161.64x = 11,265.48 × 5,329.46
  4. Step 4: Simplify right side
    8,161.64x = 60,038,883.19
  5. Step 5: Solve for x
    x = 60,038,883.19/8,161.64
  6. Step 6: Final answer
    x = 7,356.22

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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.