Home / 8,857.26-13,294.10-4,477.80

Finding the Fourth Proportional to 8,857.26, 13,294.10 and 4,477.80

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Solution

The fourth proportional to 8,857.26, 13,294.10 and 4,477.80 is: 6,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.26 : 13,294.10 = 4,477.80 : x
  2. Step 2: Convert to fraction form
    8,857.26/13,294.10 = 4,477.80/x
  3. Step 3: Cross multiply
    8,857.26x = 13,294.10 × 4,477.80
  4. Step 4: Simplify right side
    8,857.26x = 59,528,320.98
  5. Step 5: Solve for x
    x = 59,528,320.98/8,857.26
  6. Step 6: Final answer
    x = 6,720.85

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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.