Home / 5,240.34-7,864.56-2,320.56

Finding the Fourth Proportional to 5,240.34, 7,864.56 and 2,320.56

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Solution

The fourth proportional to 5,240.34, 7,864.56 and 2,320.56 is: 3,482.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.34 : 7,864.56 = 2,320.56 : x
  2. Step 2: Convert to fraction form
    5,240.34/7,864.56 = 2,320.56/x
  3. Step 3: Cross multiply
    5,240.34x = 7,864.56 × 2,320.56
  4. Step 4: Simplify right side
    5,240.34x = 18,250,183.35
  5. Step 5: Solve for x
    x = 18,250,183.35/5,240.34
  6. Step 6: Final answer
    x = 3,482.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.