Home / 4,162.17-6,243.26-1,240.40

Finding the Fourth Proportional to 4,162.17, 6,243.26 and 1,240.40

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Solution

The fourth proportional to 4,162.17, 6,243.26 and 1,240.40 is: 1,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.17 : 6,243.26 = 1,240.40 : x
  2. Step 2: Convert to fraction form
    4,162.17/6,243.26 = 1,240.40/x
  3. Step 3: Cross multiply
    4,162.17x = 6,243.26 × 1,240.40
  4. Step 4: Simplify right side
    4,162.17x = 7,744,139.70
  5. Step 5: Solve for x
    x = 7,744,139.70/4,162.17
  6. Step 6: Final answer
    x = 1,860.60

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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.