Home / 5,685.60-7,843.32-4,898.28

Finding the Fourth Proportional to 5,685.60, 7,843.32 and 4,898.28

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Solution

The fourth proportional to 5,685.60, 7,843.32 and 4,898.28 is: 6,757.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.60 : 7,843.32 = 4,898.28 : x
  2. Step 2: Convert to fraction form
    5,685.60/7,843.32 = 4,898.28/x
  3. Step 3: Cross multiply
    5,685.60x = 7,843.32 × 4,898.28
  4. Step 4: Simplify right side
    5,685.60x = 38,418,777.49
  5. Step 5: Solve for x
    x = 38,418,777.49/5,685.60
  6. Step 6: Final answer
    x = 6,757.21

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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.