Home / 5,235.65-7,222.51-3,345.24

Finding the Fourth Proportional to 5,235.65, 7,222.51 and 3,345.24

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Solution

The fourth proportional to 5,235.65, 7,222.51 and 3,345.24 is: 4,614.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.65 : 7,222.51 = 3,345.24 : x
  2. Step 2: Convert to fraction form
    5,235.65/7,222.51 = 3,345.24/x
  3. Step 3: Cross multiply
    5,235.65x = 7,222.51 × 3,345.24
  4. Step 4: Simplify right side
    5,235.65x = 24,161,029.35
  5. Step 5: Solve for x
    x = 24,161,029.35/5,235.65
  6. Step 6: Final answer
    x = 4,614.71

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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.