Home / 7,420.35-10,240.33-4,063.31

Finding the Fourth Proportional to 7,420.35, 10,240.33 and 4,063.31

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Solution

The fourth proportional to 7,420.35, 10,240.33 and 4,063.31 is: 5,607.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.35 : 10,240.33 = 4,063.31 : x
  2. Step 2: Convert to fraction form
    7,420.35/10,240.33 = 4,063.31/x
  3. Step 3: Cross multiply
    7,420.35x = 10,240.33 × 4,063.31
  4. Step 4: Simplify right side
    7,420.35x = 41,609,573.93
  5. Step 5: Solve for x
    x = 41,609,573.93/7,420.35
  6. Step 6: Final answer
    x = 5,607.49

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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.