Home / 7,685.42-11,504.34-4,166.72

Finding the Fourth Proportional to 7,685.42, 11,504.34 and 4,166.72

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Solution

The fourth proportional to 7,685.42, 11,504.34 and 4,166.72 is: 6,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,685.42 : 11,504.34 = 4,166.72 : x
  2. Step 2: Convert to fraction form
    7,685.42/11,504.34 = 4,166.72/x
  3. Step 3: Cross multiply
    7,685.42x = 11,504.34 × 4,166.72
  4. Step 4: Simplify right side
    7,685.42x = 47,935,363.56
  5. Step 5: Solve for x
    x = 47,935,363.56/7,685.42
  6. Step 6: Final answer
    x = 6,237.18

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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.