Home / 8,310.98-11,463.28-4,951.20

Finding the Fourth Proportional to 8,310.98, 11,463.28 and 4,951.20

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Solution

The fourth proportional to 8,310.98, 11,463.28 and 4,951.20 is: 6,829.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.98 : 11,463.28 = 4,951.20 : x
  2. Step 2: Convert to fraction form
    8,310.98/11,463.28 = 4,951.20/x
  3. Step 3: Cross multiply
    8,310.98x = 11,463.28 × 4,951.20
  4. Step 4: Simplify right side
    8,310.98x = 56,756,958.06
  5. Step 5: Solve for x
    x = 56,756,958.06/8,310.98
  6. Step 6: Final answer
    x = 6,829.16

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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.