Home / 8,857.45-13,294.37-4,477.98

Finding the Fourth Proportional to 8,857.45, 13,294.37 and 4,477.98

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Solution

The fourth proportional to 8,857.45, 13,294.37 and 4,477.98 is: 6,721.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.45 : 13,294.37 = 4,477.98 : x
  2. Step 2: Convert to fraction form
    8,857.45/13,294.37 = 4,477.98/x
  3. Step 3: Cross multiply
    8,857.45x = 13,294.37 × 4,477.98
  4. Step 4: Simplify right side
    8,857.45x = 59,531,922.97
  5. Step 5: Solve for x
    x = 59,531,922.97/8,857.45
  6. Step 6: Final answer
    x = 6,721.11

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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.