Home / 6,210.89-8,570.91-3,378.22

Finding the Fourth Proportional to 6,210.89, 8,570.91 and 3,378.22

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Solution

The fourth proportional to 6,210.89, 8,570.91 and 3,378.22 is: 4,661.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.89 : 8,570.91 = 3,378.22 : x
  2. Step 2: Convert to fraction form
    6,210.89/8,570.91 = 3,378.22/x
  3. Step 3: Cross multiply
    6,210.89x = 8,570.91 × 3,378.22
  4. Step 4: Simplify right side
    6,210.89x = 28,954,419.58
  5. Step 5: Solve for x
    x = 28,954,419.58/6,210.89
  6. Step 6: Final answer
    x = 4,661.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.