Home / 7,048.30-9,727.16-3,904.70

Finding the Fourth Proportional to 7,048.30, 9,727.16 and 3,904.70

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Solution

The fourth proportional to 7,048.30, 9,727.16 and 3,904.70 is: 5,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048.30 : 9,727.16 = 3,904.70 : x
  2. Step 2: Convert to fraction form
    7,048.30/9,727.16 = 3,904.70/x
  3. Step 3: Cross multiply
    7,048.30x = 9,727.16 × 3,904.70
  4. Step 4: Simplify right side
    7,048.30x = 37,981,641.65
  5. Step 5: Solve for x
    x = 37,981,641.65/7,048.30
  6. Step 6: Final answer
    x = 5,388.77

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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.