Home / 5,398.75-7,450.47-3,008.83

Finding the Fourth Proportional to 5,398.75, 7,450.47 and 3,008.83

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Solution

The fourth proportional to 5,398.75, 7,450.47 and 3,008.83 is: 4,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.75 : 7,450.47 = 3,008.83 : x
  2. Step 2: Convert to fraction form
    5,398.75/7,450.47 = 3,008.83/x
  3. Step 3: Cross multiply
    5,398.75x = 7,450.47 × 3,008.83
  4. Step 4: Simplify right side
    5,398.75x = 22,417,197.65
  5. Step 5: Solve for x
    x = 22,417,197.65/5,398.75
  6. Step 6: Final answer
    x = 4,152.29

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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.