Home / 8,840.75-13,257.79-4,455.21

Finding the Fourth Proportional to 8,840.75, 13,257.79 and 4,455.21

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Solution

The fourth proportional to 8,840.75, 13,257.79 and 4,455.21 is: 6,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.75 : 13,257.79 = 4,455.21 : x
  2. Step 2: Convert to fraction form
    8,840.75/13,257.79 = 4,455.21/x
  3. Step 3: Cross multiply
    8,840.75x = 13,257.79 × 4,455.21
  4. Step 4: Simplify right side
    8,840.75x = 59,066,227.45
  5. Step 5: Solve for x
    x = 59,066,227.45/8,840.75
  6. Step 6: Final answer
    x = 6,681.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.