Home / 7,490.90-10,337.26-4,133.99

Finding the Fourth Proportional to 7,490.90, 10,337.26 and 4,133.99

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Solution

The fourth proportional to 7,490.90, 10,337.26 and 4,133.99 is: 5,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.90 : 10,337.26 = 4,133.99 : x
  2. Step 2: Convert to fraction form
    7,490.90/10,337.26 = 4,133.99/x
  3. Step 3: Cross multiply
    7,490.90x = 10,337.26 × 4,133.99
  4. Step 4: Simplify right side
    7,490.90x = 42,734,129.47
  5. Step 5: Solve for x
    x = 42,734,129.47/7,490.90
  6. Step 6: Final answer
    x = 5,704.81

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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.