Home / 8,077.89-11,142.94-4,719.99

Finding the Fourth Proportional to 8,077.89, 11,142.94 and 4,719.99

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Solution

The fourth proportional to 8,077.89, 11,142.94 and 4,719.99 is: 6,510.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.89 : 11,142.94 = 4,719.99 : x
  2. Step 2: Convert to fraction form
    8,077.89/11,142.94 = 4,719.99/x
  3. Step 3: Cross multiply
    8,077.89x = 11,142.94 × 4,719.99
  4. Step 4: Simplify right side
    8,077.89x = 52,594,548.44
  5. Step 5: Solve for x
    x = 52,594,548.44/8,077.89
  6. Step 6: Final answer
    x = 6,510.93

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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.