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Finding the Fourth Proportional to 5,807.73, 8,707.20 and 2,888.09

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Solution

The fourth proportional to 5,807.73, 8,707.20 and 2,888.09 is: 4,329.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.73 : 8,707.20 = 2,888.09 : x
  2. Step 2: Convert to fraction form
    5,807.73/8,707.20 = 2,888.09/x
  3. Step 3: Cross multiply
    5,807.73x = 8,707.20 × 2,888.09
  4. Step 4: Simplify right side
    5,807.73x = 25,147,155.53
  5. Step 5: Solve for x
    x = 25,147,155.53/5,807.73
  6. Step 6: Final answer
    x = 4,329.94

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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.