Home / 6,890.19-10,335.35-2,210.21

Finding the Fourth Proportional to 6,890.19, 10,335.35 and 2,210.21

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Solution

The fourth proportional to 6,890.19, 10,335.35 and 2,210.21 is: 3,315.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.19 : 10,335.35 = 2,210.21 : x
  2. Step 2: Convert to fraction form
    6,890.19/10,335.35 = 2,210.21/x
  3. Step 3: Cross multiply
    6,890.19x = 10,335.35 × 2,210.21
  4. Step 4: Simplify right side
    6,890.19x = 22,843,272.72
  5. Step 5: Solve for x
    x = 22,843,272.72/6,890.19
  6. Step 6: Final answer
    x = 3,315.33

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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.