Home / 4,106.81-6,159.64-1,333.51

Finding the Fourth Proportional to 4,106.81, 6,159.64 and 1,333.51

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Solution

The fourth proportional to 4,106.81, 6,159.64 and 1,333.51 is: 2,000.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,106.81 : 6,159.64 = 1,333.51 : x
  2. Step 2: Convert to fraction form
    4,106.81/6,159.64 = 1,333.51/x
  3. Step 3: Cross multiply
    4,106.81x = 6,159.64 × 1,333.51
  4. Step 4: Simplify right side
    4,106.81x = 8,213,941.54
  5. Step 5: Solve for x
    x = 8,213,941.54/4,106.81
  6. Step 6: Final answer
    x = 2,000.08

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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.