Home / 4,011.13-6,016.51-1,378.90

Finding the Fourth Proportional to 4,011.13, 6,016.51 and 1,378.90

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Solution

The fourth proportional to 4,011.13, 6,016.51 and 1,378.90 is: 2,068.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,011.13 : 6,016.51 = 1,378.90 : x
  2. Step 2: Convert to fraction form
    4,011.13/6,016.51 = 1,378.90/x
  3. Step 3: Cross multiply
    4,011.13x = 6,016.51 × 1,378.90
  4. Step 4: Simplify right side
    4,011.13x = 8,296,165.64
  5. Step 5: Solve for x
    x = 8,296,165.64/4,011.13
  6. Step 6: Final answer
    x = 2,068.29

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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.