Home / 8,530.21-11,770.13-4,753.28

Finding the Fourth Proportional to 8,530.21, 11,770.13 and 4,753.28

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Solution

The fourth proportional to 8,530.21, 11,770.13 and 4,753.28 is: 6,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.21 : 11,770.13 = 4,753.28 : x
  2. Step 2: Convert to fraction form
    8,530.21/11,770.13 = 4,753.28/x
  3. Step 3: Cross multiply
    8,530.21x = 11,770.13 × 4,753.28
  4. Step 4: Simplify right side
    8,530.21x = 55,946,640.91
  5. Step 5: Solve for x
    x = 55,946,640.91/8,530.21
  6. Step 6: Final answer
    x = 6,558.65

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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.