Home / 8,223.41-11,347.88-4,638.26

Finding the Fourth Proportional to 8,223.41, 11,347.88 and 4,638.26

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Solution

The fourth proportional to 8,223.41, 11,347.88 and 4,638.26 is: 6,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.41 : 11,347.88 = 4,638.26 : x
  2. Step 2: Convert to fraction form
    8,223.41/11,347.88 = 4,638.26/x
  3. Step 3: Cross multiply
    8,223.41x = 11,347.88 × 4,638.26
  4. Step 4: Simplify right side
    8,223.41x = 52,634,457.85
  5. Step 5: Solve for x
    x = 52,634,457.85/8,223.41
  6. Step 6: Final answer
    x = 6,400.56

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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.