Home / 8,320.32-11,466.20-5,958.36

Finding the Fourth Proportional to 8,320.32, 11,466.20 and 5,958.36

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Solution

The fourth proportional to 8,320.32, 11,466.20 and 5,958.36 is: 8,211.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.32 : 11,466.20 = 5,958.36 : x
  2. Step 2: Convert to fraction form
    8,320.32/11,466.20 = 5,958.36/x
  3. Step 3: Cross multiply
    8,320.32x = 11,466.20 × 5,958.36
  4. Step 4: Simplify right side
    8,320.32x = 68,319,717.64
  5. Step 5: Solve for x
    x = 68,319,717.64/8,320.32
  6. Step 6: Final answer
    x = 8,211.19

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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.