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Finding the Fourth Proportional to 5,651.92, 8,477.79 and 1,547.92

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Solution

The fourth proportional to 5,651.92, 8,477.79 and 1,547.92 is: 2,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.92 : 8,477.79 = 1,547.92 : x
  2. Step 2: Convert to fraction form
    5,651.92/8,477.79 = 1,547.92/x
  3. Step 3: Cross multiply
    5,651.92x = 8,477.79 × 1,547.92
  4. Step 4: Simplify right side
    5,651.92x = 13,122,940.70
  5. Step 5: Solve for x
    x = 13,122,940.70/5,651.92
  6. Step 6: Final answer
    x = 2,321.86

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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.