Home / 7,342.35-10,132.46-3,985.17

Finding the Fourth Proportional to 7,342.35, 10,132.46 and 3,985.17

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Solution

The fourth proportional to 7,342.35, 10,132.46 and 3,985.17 is: 5,499.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.35 : 10,132.46 = 3,985.17 : x
  2. Step 2: Convert to fraction form
    7,342.35/10,132.46 = 3,985.17/x
  3. Step 3: Cross multiply
    7,342.35x = 10,132.46 × 3,985.17
  4. Step 4: Simplify right side
    7,342.35x = 40,379,555.69
  5. Step 5: Solve for x
    x = 40,379,555.69/7,342.35
  6. Step 6: Final answer
    x = 5,499.54

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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.