Home / 8,443.21-11,653.08-4,908.49

Finding the Fourth Proportional to 8,443.21, 11,653.08 and 4,908.49

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Solution

The fourth proportional to 8,443.21, 11,653.08 and 4,908.49 is: 6,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.21 : 11,653.08 = 4,908.49 : x
  2. Step 2: Convert to fraction form
    8,443.21/11,653.08 = 4,908.49/x
  3. Step 3: Cross multiply
    8,443.21x = 11,653.08 × 4,908.49
  4. Step 4: Simplify right side
    8,443.21x = 57,199,026.65
  5. Step 5: Solve for x
    x = 57,199,026.65/8,443.21
  6. Step 6: Final answer
    x = 6,774.56

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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.