Home / 8,772.64-13,161.27-4,611.49

Finding the Fourth Proportional to 8,772.64, 13,161.27 and 4,611.49

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Solution

The fourth proportional to 8,772.64, 13,161.27 and 4,611.49 is: 6,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.64 : 13,161.27 = 4,611.49 : x
  2. Step 2: Convert to fraction form
    8,772.64/13,161.27 = 4,611.49/x
  3. Step 3: Cross multiply
    8,772.64x = 13,161.27 × 4,611.49
  4. Step 4: Simplify right side
    8,772.64x = 60,693,064.99
  5. Step 5: Solve for x
    x = 60,693,064.99/8,772.64
  6. Step 6: Final answer
    x = 6,918.45

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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.