Home / 8,220.37-11,344.53-4,865.11

Finding the Fourth Proportional to 8,220.37, 11,344.53 and 4,865.11

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Solution

The fourth proportional to 8,220.37, 11,344.53 and 4,865.11 is: 6,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.37 : 11,344.53 = 4,865.11 : x
  2. Step 2: Convert to fraction form
    8,220.37/11,344.53 = 4,865.11/x
  3. Step 3: Cross multiply
    8,220.37x = 11,344.53 × 4,865.11
  4. Step 4: Simplify right side
    8,220.37x = 55,192,386.35
  5. Step 5: Solve for x
    x = 55,192,386.35/8,220.37
  6. Step 6: Final answer
    x = 6,714.10

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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.