Home / 5,853.84-8,777.76-2,155.92

Finding the Fourth Proportional to 5,853.84, 8,777.76 and 2,155.92

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Solution

The fourth proportional to 5,853.84, 8,777.76 and 2,155.92 is: 3,232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,853.84 : 8,777.76 = 2,155.92 : x
  2. Step 2: Convert to fraction form
    5,853.84/8,777.76 = 2,155.92/x
  3. Step 3: Cross multiply
    5,853.84x = 8,777.76 × 2,155.92
  4. Step 4: Simplify right side
    5,853.84x = 18,924,148.34
  5. Step 5: Solve for x
    x = 18,924,148.34/5,853.84
  6. Step 6: Final answer
    x = 3,232.78

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1.5x scale

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.