Home / 8,558.28-11,782.98-7,453.80

Finding the Fourth Proportional to 8,558.28, 11,782.98 and 7,453.80

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Solution

The fourth proportional to 8,558.28, 11,782.98 and 7,453.80 is: 10,262.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.28 : 11,782.98 = 7,453.80 : x
  2. Step 2: Convert to fraction form
    8,558.28/11,782.98 = 7,453.80/x
  3. Step 3: Cross multiply
    8,558.28x = 11,782.98 × 7,453.80
  4. Step 4: Simplify right side
    8,558.28x = 87,827,976.32
  5. Step 5: Solve for x
    x = 87,827,976.32/8,558.28
  6. Step 6: Final answer
    x = 10,262.34

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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.