Home / 4,117.40-6,176.70-1,344.20

Finding the Fourth Proportional to 4,117.40, 6,176.70 and 1,344.20

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Solution

The fourth proportional to 4,117.40, 6,176.70 and 1,344.20 is: 2,016.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.40 : 6,176.70 = 1,344.20 : x
  2. Step 2: Convert to fraction form
    4,117.40/6,176.70 = 1,344.20/x
  3. Step 3: Cross multiply
    4,117.40x = 6,176.70 × 1,344.20
  4. Step 4: Simplify right side
    4,117.40x = 8,302,720.14
  5. Step 5: Solve for x
    x = 8,302,720.14/4,117.40
  6. Step 6: Final answer
    x = 2,016.50

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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.