Home / 8,540.77-12,810.69-2,617.66

Finding the Fourth Proportional to 8,540.77, 12,810.69 and 2,617.66

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Solution

The fourth proportional to 8,540.77, 12,810.69 and 2,617.66 is: 3,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.77 : 12,810.69 = 2,617.66 : x
  2. Step 2: Convert to fraction form
    8,540.77/12,810.69 = 2,617.66/x
  3. Step 3: Cross multiply
    8,540.77x = 12,810.69 × 2,617.66
  4. Step 4: Simplify right side
    8,540.77x = 33,534,030.79
  5. Step 5: Solve for x
    x = 33,534,030.79/8,540.77
  6. Step 6: Final answer
    x = 3,926.35

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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.