Home / 5,644.48-7,783.68-4,351.72

Finding the Fourth Proportional to 5,644.48, 7,783.68 and 4,351.72

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Solution

The fourth proportional to 5,644.48, 7,783.68 and 4,351.72 is: 6,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.48 : 7,783.68 = 4,351.72 : x
  2. Step 2: Convert to fraction form
    5,644.48/7,783.68 = 4,351.72/x
  3. Step 3: Cross multiply
    5,644.48x = 7,783.68 × 4,351.72
  4. Step 4: Simplify right side
    5,644.48x = 33,872,395.93
  5. Step 5: Solve for x
    x = 33,872,395.93/5,644.48
  6. Step 6: Final answer
    x = 6,000.98

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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.