Home / 4,102.10-6,152.10-1,327.36

Finding the Fourth Proportional to 4,102.10, 6,152.10 and 1,327.36

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Solution

The fourth proportional to 4,102.10, 6,152.10 and 1,327.36 is: 1,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.10 : 6,152.10 = 1,327.36 : x
  2. Step 2: Convert to fraction form
    4,102.10/6,152.10 = 1,327.36/x
  3. Step 3: Cross multiply
    4,102.10x = 6,152.10 × 1,327.36
  4. Step 4: Simplify right side
    4,102.10x = 8,166,051.46
  5. Step 5: Solve for x
    x = 8,166,051.46/4,102.10
  6. Step 6: Final answer
    x = 1,990.70

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1.5x scale

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.