Home / 8,716.85-12,029.80-4,888.84

Finding the Fourth Proportional to 8,716.85, 12,029.80 and 4,888.84

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Solution

The fourth proportional to 8,716.85, 12,029.80 and 4,888.84 is: 6,746.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.85 : 12,029.80 = 4,888.84 : x
  2. Step 2: Convert to fraction form
    8,716.85/12,029.80 = 4,888.84/x
  3. Step 3: Cross multiply
    8,716.85x = 12,029.80 × 4,888.84
  4. Step 4: Simplify right side
    8,716.85x = 58,811,725.14
  5. Step 5: Solve for x
    x = 58,811,725.14/8,716.85
  6. Step 6: Final answer
    x = 6,746.91

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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.