Home / 8,215.84-11,337.67-4,630.98

Finding the Fourth Proportional to 8,215.84, 11,337.67 and 4,630.98

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Solution

The fourth proportional to 8,215.84, 11,337.67 and 4,630.98 is: 6,390.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,215.84 : 11,337.67 = 4,630.98 : x
  2. Step 2: Convert to fraction form
    8,215.84/11,337.67 = 4,630.98/x
  3. Step 3: Cross multiply
    8,215.84x = 11,337.67 × 4,630.98
  4. Step 4: Simplify right side
    8,215.84x = 52,504,523.02
  5. Step 5: Solve for x
    x = 52,504,523.02/8,215.84
  6. Step 6: Final answer
    x = 6,390.65

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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.