Home / 7,420.34-10,240.03-4,063.09

Finding the Fourth Proportional to 7,420.34, 10,240.03 and 4,063.09

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Solution

The fourth proportional to 7,420.34, 10,240.03 and 4,063.09 is: 5,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.34 : 10,240.03 = 4,063.09 : x
  2. Step 2: Convert to fraction form
    7,420.34/10,240.03 = 4,063.09/x
  3. Step 3: Cross multiply
    7,420.34x = 10,240.03 × 4,063.09
  4. Step 4: Simplify right side
    7,420.34x = 41,606,166.14
  5. Step 5: Solve for x
    x = 41,606,166.14/7,420.34
  6. Step 6: Final answer
    x = 5,607.04

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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.