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Finding the Fourth Proportional to 8,568.05, 11,829.24 and 6,574.77

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Solution

The fourth proportional to 8,568.05, 11,829.24 and 6,574.77 is: 9,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.05 : 11,829.24 = 6,574.77 : x
  2. Step 2: Convert to fraction form
    8,568.05/11,829.24 = 6,574.77/x
  3. Step 3: Cross multiply
    8,568.05x = 11,829.24 × 6,574.77
  4. Step 4: Simplify right side
    8,568.05x = 77,774,532.27
  5. Step 5: Solve for x
    x = 77,774,532.27/8,568.05
  6. Step 6: Final answer
    x = 9,077.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.