Home / 4,186.74-6,275.36-1,718.40

Finding the Fourth Proportional to 4,186.74, 6,275.36 and 1,718.40

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Solution

The fourth proportional to 4,186.74, 6,275.36 and 1,718.40 is: 2,575.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.74 : 6,275.36 = 1,718.40 : x
  2. Step 2: Convert to fraction form
    4,186.74/6,275.36 = 1,718.40/x
  3. Step 3: Cross multiply
    4,186.74x = 6,275.36 × 1,718.40
  4. Step 4: Simplify right side
    4,186.74x = 10,783,578.62
  5. Step 5: Solve for x
    x = 10,783,578.62/4,186.74
  6. Step 6: Final answer
    x = 2,575.65

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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.