Home / 6,280.26-8,666.90-3,554.57

Finding the Fourth Proportional to 6,280.26, 8,666.90 and 3,554.57

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Solution

The fourth proportional to 6,280.26, 8,666.90 and 3,554.57 is: 4,905.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.26 : 8,666.90 = 3,554.57 : x
  2. Step 2: Convert to fraction form
    6,280.26/8,666.90 = 3,554.57/x
  3. Step 3: Cross multiply
    6,280.26x = 8,666.90 × 3,554.57
  4. Step 4: Simplify right side
    6,280.26x = 30,807,102.73
  5. Step 5: Solve for x
    x = 30,807,102.73/6,280.26
  6. Step 6: Final answer
    x = 4,905.39

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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.