Home / 8,389.44-11,578.86-4,854.80

Finding the Fourth Proportional to 8,389.44, 11,578.86 and 4,854.80

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Solution

The fourth proportional to 8,389.44, 11,578.86 and 4,854.80 is: 6,700.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.44 : 11,578.86 = 4,854.80 : x
  2. Step 2: Convert to fraction form
    8,389.44/11,578.86 = 4,854.80/x
  3. Step 3: Cross multiply
    8,389.44x = 11,578.86 × 4,854.80
  4. Step 4: Simplify right side
    8,389.44x = 56,213,049.53
  5. Step 5: Solve for x
    x = 56,213,049.53/8,389.44
  6. Step 6: Final answer
    x = 6,700.45

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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.