Home / 4,210.87-6,310.74-1,742.29

Finding the Fourth Proportional to 4,210.87, 6,310.74 and 1,742.29

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Solution

The fourth proportional to 4,210.87, 6,310.74 and 1,742.29 is: 2,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.87 : 6,310.74 = 1,742.29 : x
  2. Step 2: Convert to fraction form
    4,210.87/6,310.74 = 1,742.29/x
  3. Step 3: Cross multiply
    4,210.87x = 6,310.74 × 1,742.29
  4. Step 4: Simplify right side
    4,210.87x = 10,995,139.19
  5. Step 5: Solve for x
    x = 10,995,139.19/4,210.87
  6. Step 6: Final answer
    x = 2,611.13

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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.