Home / 8,729.51-12,046.86-4,750.85

Finding the Fourth Proportional to 8,729.51, 12,046.86 and 4,750.85

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Solution

The fourth proportional to 8,729.51, 12,046.86 and 4,750.85 is: 6,556.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.51 : 12,046.86 = 4,750.85 : x
  2. Step 2: Convert to fraction form
    8,729.51/12,046.86 = 4,750.85/x
  3. Step 3: Cross multiply
    8,729.51x = 12,046.86 × 4,750.85
  4. Step 4: Simplify right side
    8,729.51x = 57,232,854.95
  5. Step 5: Solve for x
    x = 57,232,854.95/8,729.51
  6. Step 6: Final answer
    x = 6,556.25

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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.