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Finding the Fourth Proportional to 5,703.84, 8,555.76 and 2,416.86

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Solution

The fourth proportional to 5,703.84, 8,555.76 and 2,416.86 is: 3,625.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.84 : 8,555.76 = 2,416.86 : x
  2. Step 2: Convert to fraction form
    5,703.84/8,555.76 = 2,416.86/x
  3. Step 3: Cross multiply
    5,703.84x = 8,555.76 × 2,416.86
  4. Step 4: Simplify right side
    5,703.84x = 20,678,074.11
  5. Step 5: Solve for x
    x = 20,678,074.11/5,703.84
  6. Step 6: Final answer
    x = 3,625.29

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Double scale
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Similar ratio
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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.