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Finding the Fourth Proportional to 6,596.56, 9,890.20 and 3,307.40

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Solution

The fourth proportional to 6,596.56, 9,890.20 and 3,307.40 is: 4,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,596.56 : 9,890.20 = 3,307.40 : x
  2. Step 2: Convert to fraction form
    6,596.56/9,890.20 = 3,307.40/x
  3. Step 3: Cross multiply
    6,596.56x = 9,890.20 × 3,307.40
  4. Step 4: Simplify right side
    6,596.56x = 32,710,839.25
  5. Step 5: Solve for x
    x = 32,710,839.25/6,596.56
  6. Step 6: Final answer
    x = 4,958.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.