Home / 7,048.20-9,726.50-3,904.38

Finding the Fourth Proportional to 7,048.20, 9,726.50 and 3,904.38

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Solution

The fourth proportional to 7,048.20, 9,726.50 and 3,904.38 is: 5,388.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.20 : 9,726.50 = 3,904.38 : x
  2. Step 2: Convert to fraction form
    7,048.20/9,726.50 = 3,904.38/x
  3. Step 3: Cross multiply
    7,048.20x = 9,726.50 × 3,904.38
  4. Step 4: Simplify right side
    7,048.20x = 37,975,952.07
  5. Step 5: Solve for x
    x = 37,975,952.07/7,048.20
  6. Step 6: Final answer
    x = 5,388.04

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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.