Home / 7,420.48-10,241.14-4,436.28

Finding the Fourth Proportional to 7,420.48, 10,241.14 and 4,436.28

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Solution

The fourth proportional to 7,420.48, 10,241.14 and 4,436.28 is: 6,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.48 : 10,241.14 = 4,436.28 : x
  2. Step 2: Convert to fraction form
    7,420.48/10,241.14 = 4,436.28/x
  3. Step 3: Cross multiply
    7,420.48x = 10,241.14 × 4,436.28
  4. Step 4: Simplify right side
    7,420.48x = 45,432,564.56
  5. Step 5: Solve for x
    x = 45,432,564.56/7,420.48
  6. Step 6: Final answer
    x = 6,122.59

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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.