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Finding the Fourth Proportional to 5,600.32, 8,392.80 and 4,939.84

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Solution

The fourth proportional to 5,600.32, 8,392.80 and 4,939.84 is: 7,402.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.32 : 8,392.80 = 4,939.84 : x
  2. Step 2: Convert to fraction form
    5,600.32/8,392.80 = 4,939.84/x
  3. Step 3: Cross multiply
    5,600.32x = 8,392.80 × 4,939.84
  4. Step 4: Simplify right side
    5,600.32x = 41,459,089.15
  5. Step 5: Solve for x
    x = 41,459,089.15/5,600.32
  6. Step 6: Final answer
    x = 7,402.99

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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.