Home / 4,123.32-6,186.24-1,312.02

Finding the Fourth Proportional to 4,123.32, 6,186.24 and 1,312.02

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Solution

The fourth proportional to 4,123.32, 6,186.24 and 1,312.02 is: 1,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.32 : 6,186.24 = 1,312.02 : x
  2. Step 2: Convert to fraction form
    4,123.32/6,186.24 = 1,312.02/x
  3. Step 3: Cross multiply
    4,123.32x = 6,186.24 × 1,312.02
  4. Step 4: Simplify right side
    4,123.32x = 8,116,470.60
  5. Step 5: Solve for x
    x = 8,116,470.60/4,123.32
  6. Step 6: Final answer
    x = 1,968.43

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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.