Home / 9,310.50-12,848.49-5,118.75

Finding the Fourth Proportional to 9,310.50, 12,848.49 and 5,118.75

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Solution

The fourth proportional to 9,310.50, 12,848.49 and 5,118.75 is: 7,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.50 : 12,848.49 = 5,118.75 : x
  2. Step 2: Convert to fraction form
    9,310.50/12,848.49 = 5,118.75/x
  3. Step 3: Cross multiply
    9,310.50x = 12,848.49 × 5,118.75
  4. Step 4: Simplify right side
    9,310.50x = 65,768,208.19
  5. Step 5: Solve for x
    x = 65,768,208.19/9,310.50
  6. Step 6: Final answer
    x = 7,063.88

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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.