Home / 7,420.17-10,239.82-4,062.99

Finding the Fourth Proportional to 7,420.17, 10,239.82 and 4,062.99

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Solution

The fourth proportional to 7,420.17, 10,239.82 and 4,062.99 is: 5,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.17 : 10,239.82 = 4,062.99 : x
  2. Step 2: Convert to fraction form
    7,420.17/10,239.82 = 4,062.99/x
  3. Step 3: Cross multiply
    7,420.17x = 10,239.82 × 4,062.99
  4. Step 4: Simplify right side
    7,420.17x = 41,604,286.26
  5. Step 5: Solve for x
    x = 41,604,286.26/7,420.17
  6. Step 6: Final answer
    x = 5,606.92

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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.