Home / 6,856.08-10,280.87-3,157.21

Finding the Fourth Proportional to 6,856.08, 10,280.87 and 3,157.21

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Solution

The fourth proportional to 6,856.08, 10,280.87 and 3,157.21 is: 4,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.08 : 10,280.87 = 3,157.21 : x
  2. Step 2: Convert to fraction form
    6,856.08/10,280.87 = 3,157.21/x
  3. Step 3: Cross multiply
    6,856.08x = 10,280.87 × 3,157.21
  4. Step 4: Simplify right side
    6,856.08x = 32,458,892.24
  5. Step 5: Solve for x
    x = 32,458,892.24/6,856.08
  6. Step 6: Final answer
    x = 4,734.32

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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.