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Finding the Fourth Proportional to 5,569.76, 8,348.16 and 2,103.68

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Solution

The fourth proportional to 5,569.76, 8,348.16 and 2,103.68 is: 3,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.76 : 8,348.16 = 2,103.68 : x
  2. Step 2: Convert to fraction form
    5,569.76/8,348.16 = 2,103.68/x
  3. Step 3: Cross multiply
    5,569.76x = 8,348.16 × 2,103.68
  4. Step 4: Simplify right side
    5,569.76x = 17,561,857.23
  5. Step 5: Solve for x
    x = 17,561,857.23/5,569.76
  6. Step 6: Final answer
    x = 3,153.07

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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.