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Finding the Fourth Proportional to 5,904.90, 8,857.35 and 4,811.40

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Solution

The fourth proportional to 5,904.90, 8,857.35 and 4,811.40 is: 7,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,904.90 : 8,857.35 = 4,811.40 : x
  2. Step 2: Convert to fraction form
    5,904.90/8,857.35 = 4,811.40/x
  3. Step 3: Cross multiply
    5,904.90x = 8,857.35 × 4,811.40
  4. Step 4: Simplify right side
    5,904.90x = 42,616,253.79
  5. Step 5: Solve for x
    x = 42,616,253.79/5,904.90
  6. Step 6: Final answer
    x = 7,217.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.