Home / 8,771.36-13,135.56-5,641.52

Finding the Fourth Proportional to 8,771.36, 13,135.56 and 5,641.52

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Solution

The fourth proportional to 8,771.36, 13,135.56 and 5,641.52 is: 8,448.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.36 : 13,135.56 = 5,641.52 : x
  2. Step 2: Convert to fraction form
    8,771.36/13,135.56 = 5,641.52/x
  3. Step 3: Cross multiply
    8,771.36x = 13,135.56 × 5,641.52
  4. Step 4: Simplify right side
    8,771.36x = 74,104,524.45
  5. Step 5: Solve for x
    x = 74,104,524.45/8,771.36
  6. Step 6: Final answer
    x = 8,448.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.