Home / 4,720.71-7,081.17-1,718.65

Finding the Fourth Proportional to 4,720.71, 7,081.17 and 1,718.65

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Solution

The fourth proportional to 4,720.71, 7,081.17 and 1,718.65 is: 2,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.71 : 7,081.17 = 1,718.65 : x
  2. Step 2: Convert to fraction form
    4,720.71/7,081.17 = 1,718.65/x
  3. Step 3: Cross multiply
    4,720.71x = 7,081.17 × 1,718.65
  4. Step 4: Simplify right side
    4,720.71x = 12,170,052.82
  5. Step 5: Solve for x
    x = 12,170,052.82/4,720.71
  6. Step 6: Final answer
    x = 2,578.01

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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.