Home / 5,388.05-7,437.53-3,150.65

Finding the Fourth Proportional to 5,388.05, 7,437.53 and 3,150.65

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Solution

The fourth proportional to 5,388.05, 7,437.53 and 3,150.65 is: 4,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.05 : 7,437.53 = 3,150.65 : x
  2. Step 2: Convert to fraction form
    5,388.05/7,437.53 = 3,150.65/x
  3. Step 3: Cross multiply
    5,388.05x = 7,437.53 × 3,150.65
  4. Step 4: Simplify right side
    5,388.05x = 23,433,053.89
  5. Step 5: Solve for x
    x = 23,433,053.89/5,388.05
  6. Step 6: Final answer
    x = 4,349.08

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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.