Home / 6,280.23-8,666.85-3,447.72

Finding the Fourth Proportional to 6,280.23, 8,666.85 and 3,447.72

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Solution

The fourth proportional to 6,280.23, 8,666.85 and 3,447.72 is: 4,757.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.23 : 8,666.85 = 3,447.72 : x
  2. Step 2: Convert to fraction form
    6,280.23/8,666.85 = 3,447.72/x
  3. Step 3: Cross multiply
    6,280.23x = 8,666.85 × 3,447.72
  4. Step 4: Simplify right side
    6,280.23x = 29,880,872.08
  5. Step 5: Solve for x
    x = 29,880,872.08/6,280.23
  6. Step 6: Final answer
    x = 4,757.93

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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.