Home / 8,117.88-11,203.77-4,761.51

Finding the Fourth Proportional to 8,117.88, 11,203.77 and 4,761.51

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Solution

The fourth proportional to 8,117.88, 11,203.77 and 4,761.51 is: 6,571.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.88 : 11,203.77 = 4,761.51 : x
  2. Step 2: Convert to fraction form
    8,117.88/11,203.77 = 4,761.51/x
  3. Step 3: Cross multiply
    8,117.88x = 11,203.77 × 4,761.51
  4. Step 4: Simplify right side
    8,117.88x = 53,346,862.89
  5. Step 5: Solve for x
    x = 53,346,862.89/8,117.88
  6. Step 6: Final answer
    x = 6,571.53

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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.