Home / 5,644.84-7,782.60-3,873.28

Finding the Fourth Proportional to 5,644.84, 7,782.60 and 3,873.28

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Solution

The fourth proportional to 5,644.84, 7,782.60 and 3,873.28 is: 5,340.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,644.84 : 7,782.60 = 3,873.28 : x
  2. Step 2: Convert to fraction form
    5,644.84/7,782.60 = 3,873.28/x
  3. Step 3: Cross multiply
    5,644.84x = 7,782.60 × 3,873.28
  4. Step 4: Simplify right side
    5,644.84x = 30,144,188.93
  5. Step 5: Solve for x
    x = 30,144,188.93/5,644.84
  6. Step 6: Final answer
    x = 5,340.13

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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.