Home / 4,161.17-6,241.76-1,239.40

Finding the Fourth Proportional to 4,161.17, 6,241.76 and 1,239.40

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Solution

The fourth proportional to 4,161.17, 6,241.76 and 1,239.40 is: 1,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.17 : 6,241.76 = 1,239.40 : x
  2. Step 2: Convert to fraction form
    4,161.17/6,241.76 = 1,239.40/x
  3. Step 3: Cross multiply
    4,161.17x = 6,241.76 × 1,239.40
  4. Step 4: Simplify right side
    4,161.17x = 7,736,043.60
  5. Step 5: Solve for x
    x = 7,736,043.60/4,161.17
  6. Step 6: Final answer
    x = 1,859.10

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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.