Home / 8,536.40-11,780.29-4,759.80

Finding the Fourth Proportional to 8,536.40, 11,780.29 and 4,759.80

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Solution

The fourth proportional to 8,536.40, 11,780.29 and 4,759.80 is: 6,568.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.40 : 11,780.29 = 4,759.80 : x
  2. Step 2: Convert to fraction form
    8,536.40/11,780.29 = 4,759.80/x
  3. Step 3: Cross multiply
    8,536.40x = 11,780.29 × 4,759.80
  4. Step 4: Simplify right side
    8,536.40x = 56,071,824.34
  5. Step 5: Solve for x
    x = 56,071,824.34/8,536.40
  6. Step 6: Final answer
    x = 6,568.56

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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.