Home / 8,499.41-12,738.29-4,803.70

Finding the Fourth Proportional to 8,499.41, 12,738.29 and 4,803.70

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Solution

The fourth proportional to 8,499.41, 12,738.29 and 4,803.70 is: 7,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,499.41 : 12,738.29 = 4,803.70 : x
  2. Step 2: Convert to fraction form
    8,499.41/12,738.29 = 4,803.70/x
  3. Step 3: Cross multiply
    8,499.41x = 12,738.29 × 4,803.70
  4. Step 4: Simplify right side
    8,499.41x = 61,190,903.84
  5. Step 5: Solve for x
    x = 61,190,903.84/8,499.41
  6. Step 6: Final answer
    x = 7,199.43

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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.