Home / 6,890.57-10,335.65-2,210.52

Finding the Fourth Proportional to 6,890.57, 10,335.65 and 2,210.52

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Solution

The fourth proportional to 6,890.57, 10,335.65 and 2,210.52 is: 3,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.57 : 10,335.65 = 2,210.52 : x
  2. Step 2: Convert to fraction form
    6,890.57/10,335.65 = 2,210.52/x
  3. Step 3: Cross multiply
    6,890.57x = 10,335.65 × 2,210.52
  4. Step 4: Simplify right side
    6,890.57x = 22,847,149.99
  5. Step 5: Solve for x
    x = 22,847,149.99/6,890.57
  6. Step 6: Final answer
    x = 3,315.72

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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.