Home / 8,816.67-12,165.26-5,039.64

Finding the Fourth Proportional to 8,816.67, 12,165.26 and 5,039.64

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Solution

The fourth proportional to 8,816.67, 12,165.26 and 5,039.64 is: 6,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.67 : 12,165.26 = 5,039.64 : x
  2. Step 2: Convert to fraction form
    8,816.67/12,165.26 = 5,039.64/x
  3. Step 3: Cross multiply
    8,816.67x = 12,165.26 × 5,039.64
  4. Step 4: Simplify right side
    8,816.67x = 61,308,505.71
  5. Step 5: Solve for x
    x = 61,308,505.71/8,816.67
  6. Step 6: Final answer
    x = 6,953.70

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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.