Home / 5,609.95-8,415.65-1,911.18

Finding the Fourth Proportional to 5,609.95, 8,415.65 and 1,911.18

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Solution

The fourth proportional to 5,609.95, 8,415.65 and 1,911.18 is: 2,867.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.95 : 8,415.65 = 1,911.18 : x
  2. Step 2: Convert to fraction form
    5,609.95/8,415.65 = 1,911.18/x
  3. Step 3: Cross multiply
    5,609.95x = 8,415.65 × 1,911.18
  4. Step 4: Simplify right side
    5,609.95x = 16,083,821.97
  5. Step 5: Solve for x
    x = 16,083,821.97/5,609.95
  6. Step 6: Final answer
    x = 2,867.02

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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.