Home / 9,310.48-12,848.28-5,118.80

Finding the Fourth Proportional to 9,310.48, 12,848.28 and 5,118.80

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Solution

The fourth proportional to 9,310.48, 12,848.28 and 5,118.80 is: 7,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.48 : 12,848.28 = 5,118.80 : x
  2. Step 2: Convert to fraction form
    9,310.48/12,848.28 = 5,118.80/x
  3. Step 3: Cross multiply
    9,310.48x = 12,848.28 × 5,118.80
  4. Step 4: Simplify right side
    9,310.48x = 65,767,775.66
  5. Step 5: Solve for x
    x = 65,767,775.66/9,310.48
  6. Step 6: Final answer
    x = 7,063.84

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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.