Home / 6,280.34-8,667.21-3,485.90

Finding the Fourth Proportional to 6,280.34, 8,667.21 and 3,485.90

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Solution

The fourth proportional to 6,280.34, 8,667.21 and 3,485.90 is: 4,810.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,280.34 : 8,667.21 = 3,485.90 : x
  2. Step 2: Convert to fraction form
    6,280.34/8,667.21 = 3,485.90/x
  3. Step 3: Cross multiply
    6,280.34x = 8,667.21 × 3,485.90
  4. Step 4: Simplify right side
    6,280.34x = 30,213,027.34
  5. Step 5: Solve for x
    x = 30,213,027.34/6,280.34
  6. Step 6: Final answer
    x = 4,810.73

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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.