Home / 8,277.02-12,414.23-6,880.40

Finding the Fourth Proportional to 8,277.02, 12,414.23 and 6,880.40

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Solution

The fourth proportional to 8,277.02, 12,414.23 and 6,880.40 is: 10,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.02 : 12,414.23 = 6,880.40 : x
  2. Step 2: Convert to fraction form
    8,277.02/12,414.23 = 6,880.40/x
  3. Step 3: Cross multiply
    8,277.02x = 12,414.23 × 6,880.40
  4. Step 4: Simplify right side
    8,277.02x = 85,414,868.09
  5. Step 5: Solve for x
    x = 85,414,868.09/8,277.02
  6. Step 6: Final answer
    x = 10,319.52

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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.