Home / 8,246.64-11,379.81-5,262.15

Finding the Fourth Proportional to 8,246.64, 11,379.81 and 5,262.15

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Solution

The fourth proportional to 8,246.64, 11,379.81 and 5,262.15 is: 7,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,246.64 : 11,379.81 = 5,262.15 : x
  2. Step 2: Convert to fraction form
    8,246.64/11,379.81 = 5,262.15/x
  3. Step 3: Cross multiply
    8,246.64x = 11,379.81 × 5,262.15
  4. Step 4: Simplify right side
    8,246.64x = 59,882,267.19
  5. Step 5: Solve for x
    x = 59,882,267.19/8,246.64
  6. Step 6: Final answer
    x = 7,261.41

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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.