Home / 8,349.15-11,519.03-4,812.29

Finding the Fourth Proportional to 8,349.15, 11,519.03 and 4,812.29

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Solution

The fourth proportional to 8,349.15, 11,519.03 and 4,812.29 is: 6,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.15 : 11,519.03 = 4,812.29 : x
  2. Step 2: Convert to fraction form
    8,349.15/11,519.03 = 4,812.29/x
  3. Step 3: Cross multiply
    8,349.15x = 11,519.03 × 4,812.29
  4. Step 4: Simplify right side
    8,349.15x = 55,432,867.31
  5. Step 5: Solve for x
    x = 55,432,867.31/8,349.15
  6. Step 6: Final answer
    x = 6,639.34

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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.