Home / 7,424.51-10,245.92-4,772.79

Finding the Fourth Proportional to 7,424.51, 10,245.92 and 4,772.79

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Solution

The fourth proportional to 7,424.51, 10,245.92 and 4,772.79 is: 6,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.51 : 10,245.92 = 4,772.79 : x
  2. Step 2: Convert to fraction form
    7,424.51/10,245.92 = 4,772.79/x
  3. Step 3: Cross multiply
    7,424.51x = 10,245.92 × 4,772.79
  4. Step 4: Simplify right side
    7,424.51x = 48,901,600.65
  5. Step 5: Solve for x
    x = 48,901,600.65/7,424.51
  6. Step 6: Final answer
    x = 6,586.51

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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.