Home / 8,540.15-12,776.45-6,466.14

Finding the Fourth Proportional to 8,540.15, 12,776.45 and 6,466.14

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Solution

The fourth proportional to 8,540.15, 12,776.45 and 6,466.14 is: 9,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540.15 : 12,776.45 = 6,466.14 : x
  2. Step 2: Convert to fraction form
    8,540.15/12,776.45 = 6,466.14/x
  3. Step 3: Cross multiply
    8,540.15x = 12,776.45 × 6,466.14
  4. Step 4: Simplify right side
    8,540.15x = 82,614,282.07
  5. Step 5: Solve for x
    x = 82,614,282.07/8,540.15
  6. Step 6: Final answer
    x = 9,673.64

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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.