Home / 8,777.25-12,112.61-6,541.07

Finding the Fourth Proportional to 8,777.25, 12,112.61 and 6,541.07

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Solution

The fourth proportional to 8,777.25, 12,112.61 and 6,541.07 is: 9,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.25 : 12,112.61 = 6,541.07 : x
  2. Step 2: Convert to fraction form
    8,777.25/12,112.61 = 6,541.07/x
  3. Step 3: Cross multiply
    8,777.25x = 12,112.61 × 6,541.07
  4. Step 4: Simplify right side
    8,777.25x = 79,229,336.62
  5. Step 5: Solve for x
    x = 79,229,336.62/8,777.25
  6. Step 6: Final answer
    x = 9,026.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.