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Finding the Fourth Proportional to 5,855.34, 8,775.34 and 5,113.08

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Solution

The fourth proportional to 5,855.34, 8,775.34 and 5,113.08 is: 7,662.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,855.34 : 8,775.34 = 5,113.08 : x
  2. Step 2: Convert to fraction form
    5,855.34/8,775.34 = 5,113.08/x
  3. Step 3: Cross multiply
    5,855.34x = 8,775.34 × 5,113.08
  4. Step 4: Simplify right side
    5,855.34x = 44,869,015.45
  5. Step 5: Solve for x
    x = 44,869,015.45/5,855.34
  6. Step 6: Final answer
    x = 7,662.92

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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.