Home / 7,048.56-9,727.36-3,904.76

Finding the Fourth Proportional to 7,048.56, 9,727.36 and 3,904.76

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Solution

The fourth proportional to 7,048.56, 9,727.36 and 3,904.76 is: 5,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.56 : 9,727.36 = 3,904.76 : x
  2. Step 2: Convert to fraction form
    7,048.56/9,727.36 = 3,904.76/x
  3. Step 3: Cross multiply
    7,048.56x = 9,727.36 × 3,904.76
  4. Step 4: Simplify right side
    7,048.56x = 37,983,006.23
  5. Step 5: Solve for x
    x = 37,983,006.23/7,048.56
  6. Step 6: Final answer
    x = 5,388.76

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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.